Should Families Be Trained For Space?
With all of the problems that could go wrong in space, nothing is more serious, more threatening towards human settlement in the cosmos than humans themselves.
Despite intense training physically and mentally, long term isolation may be more than most humans can bare, with irritation, boredom or the “need to breed” causing unnecessary conflict to arise. Usually frequent contact with ones family, alongside of random gifts are enough to keep a person in check mentally, but it may be unreasonable to expect someone to remain sane while separated from kin for years.
One way to resolve this issue would be to enlist families of future colonists to travel alongside their loved ones in order to not only reduce stress, but also help settle foreign worlds. Despite the fact that raising a families millions of miles away from Earth may sound risky (especially if parents have young children), the experience may serve to inform our race whether or not we will be able to call hostile worlds our own.
Some organizations seem to have envisioned colonists raising their families off world, most notably on the red planet. 4Frontiers, a company dedicated towards colonizing the Moon, Mars and eventually the asteroids themselves seems to have envisioned this concept which they frequently portray in their stories of kids growing up on the Martian landscape.
Raising a family off world may prove to be more difficult than on Earth, with the hazards of space, technology and supplies being major hurdles to overcome. But families seem to have a stronger group bond than strangers which may enable humanity to overcome many of the problems of isolation, enabling us to call distant worlds like Mars our own.
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Life Imitates Star Trek: NASA Pursues Life Scanner
With scientists attempting to build technology to locate life on other worlds, they may be constructing a useful device to locate lost future travelers hiking on foreign soils.
(Red Orbit) NASA-funded researchers are refining a tool that could not only check for the faintest traces of life’s molecular building blocks on Mars, but could also determine whether they have been produced by anything alive. [...]
“Urey will be able to detect key molecules associated with life at a sensitivity roughly a million times greater than previous instrumentation,” said Dr. Jeffrey Bada of Scripps Institution of Oceanography at the University of California, San Diego. Bada is the principal investigator for an international team of scientists and engineers working on various components of the device.
Despite the fact it may be a century before we find any signs of life on Mars (although we may have settled the planet by then), this life scanner could prove to be quite useful not only on planets, but for detecting life aboard dying space craft as well (an advanced version for rescuers that is).
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NASA Finally Considers Inflatable Space Bases
(Hat Tip: Space Scan)
Despite the fact that Bigelow Aerospace is already developing inflatable lunar bases (not to mention space stations), NASA seems to have caught the vision that perhaps its easier, cheaper and (hopefully) safer to inflate our lunar homes rather than haul them pre-assembled on the Moon.
(Physorg.com) “Inflatables can be used as connectors or tunnels between crew quarters and can provide radiation shelter if covered with lunar regolith (soil),” said Chris Moore, Exploration Technology Development Program program executive at NASA Headquarters.
As a starting point, ILC Dover has delivered a 12-foot (3.65 meter) diameter inflatable structure made of multilayer fabric to Langley for ground-based evaluation of emerging technologies such as flexible structural health monitoring systems, self-healing materials and radiation protective materials. Attached to the structure is a smaller inflatable structure that serves as a demonstration airlock. Both are essentially pressurized cylinders, connected by an airtight door.
Although they may look very “goofy,” inflatable space bases may prove to be more useful than their metallic and glass cousins. With the ever present danger of space rocks raining down from above, an inflatable space base may prove to be more expendable and easier to replace than the previous vision of a lunar base.
Despite being less glamorous than glass and steel, inflatable space bases may help lower the overall cost to settle human colonies off world. With cheaper access to space, we may one day find our decendents grumbling how boring it is living off world inside an inflatable habitat and wishing for the opportunity to settle back on our home planet.
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Video: Is Virgin Galatic Becoming Profitable?
(Hat Tip: Space Pragmatism)
Despite receiving more than its fair share of spot light in the private space industry, Virgin Galactic seems to be doing fairly well despite the fact that its market is quickly becoming filled with competitors.
While other space tourism companies remain silent on how many customers they have, Virgin Galactic does not feel shy revealing how many space tourism clients they have signed up.
(MSNBC) At present, Virgin Galactic has $20 million in deposits, said Will Whitehorn, the company’s president. “We just surpassed the 200-customer level in terms of people who have actually made a financial commitment, put their money down and signed their contracts,” Whitehorn said.
Space travel registrations on the Virgin Galactic Web site number about 82,000 expressions of interest, Whitehorn said. “Those registrations are genuine…with quite a number prepared to sign in the next three or four years. But they do want to see a finished spaceship before they are prepared to commit. I don’t blame them for that. We’re hoping to have a working spaceship that’s actually commencing spaceflight in its test mode by the middle of 2008.”
With the private sector gaining respect in the media, private space flights should help “whet the appetite” for the cosmos, helping to make space a reality for the general population.
Virgin Galactic is offering rides to the final frontier for around $200,000, and they have released a video highlighting why that money would be better spent in the heavens than on earth.
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Can Bigelow Aerospace Bring Us To The Stars?
Bigelow Aerospace, known for their unique approach towards orbital space stations may have concrete plans for establishing lunar colonies on a world all too familiar to the space industry.
(Cosmic Log) But by 2012, the focus could start shifting from low Earth orbit, or LEO, farther out into space. One of the key places in Bigelow’s plan is a point about 200,000 miles (323,000 kilometers) out from Earth in the moon’s direction, where the pulls of terrestrial and lunar gravity balance each other.Bigelow would turn that region of space, called L1, into a construction zone. Inflatable modules would be linked up with propulsion/power systems and support structures, and then the completed base would be lowered down to the moon’s surface, all in one piece.
Once the moon base has been set down, dirt would be piled on top, using a technique that Bigelow plans to start testing later this year at his Las Vegas headquarters. The moon dirt, more technically known as regolith, would serve to shield the base’s occupants from the harsh radiation hitting the lunar surface.
If Bigelow can successfully launch, assemble, transport and land their inflatable colonies on the Moon by 2010, this will be a significant achievement for not only the private space sector, but humanity as a whole.
Although some will simply brush this off as another lunar attempt, many people have to realize that previously it took an entire nation (backed by billions of dollars) in order to land someone on the moon over 50 years ago.
For a company this size to accomplish a similar goal (at a fraction of the cost) is not merely incredible, but unparalleled.
Note: If Bigelow is able to do this, would this put NASA’s Vision for Space Exploration out of business, along with make the International Space Station irrelevant?
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Is It Man Or Machine? Michael Laine Enlightens
(Hat Tip: LiftPort, Plus video below)
It seems no matter who you talk to within the space community you will generally find two arguments for going into space–one side is all about science revealing our place in the Universe (via robots) while the other is about populating the Universe (via humans) and charting our own destiny.
Michael Laine from LiftPort seems to have answered this question after being interviewed by Radio Open Source (listen to the audio over here)
Well, one of the things that is at the heart of the man verses robotics question is [...] Is it moon verses Mars? Is it man verses robotics?
It doesn’t have to be a one verses the other. [...] If you’ve got–and thats Elon’s goal, and thats my goal, thats everybody in the space communities goal–if you have cheap reliable safe access to space, it doesn’t have to be one or against the other.
[W]hat we’re looking to do is [...] get [a] better bang for your buck so you don’t have to choose.
Humanity owes a huge debt to our robots who have definitely increased our knowledge of the cosmos (not to mention locating valuable resources and notable hazards, all the while snapping beautiful photos).
However, if humanity simply uses robots to explore the universe then our space program will continue to lose interest among the youth which can easily result in its early demise. Adding humans to the mix may not only prove to be quite productive, but actually encourage the public to invest more (or at least justify the expense) into space.
After all, since when was the last time a robot convinced you of the value of exploring the final frontier?
(Video Hat Tip: NASA Watch)
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Detecting Radiation In All The Wrong Places
With all of the potential for our race for exploring, colonizing and conquering future worlds, the biggest show stopper to our activities is radiation. Unless our race discovers a unique way to combat this threat, we may find ourselves living underground like the mole people.
Fortunately it seems a scientist is taking this research seriously and is developing a radiation detection device to warn astronauts when it is unsafe to stroll outside.
(SpaceRef.com) Pisacane, along with other faculty and midshipmen of the USNA, is developing a radiation detection and assessment system, called a microdosimeter, in partnership with NSBRI. The instrument will measure radiation doses on the cellular level and help determine regulatory dose limits for scientific and medical purposes.
“In space, we can’t predict when radiation events occur nor their severity, so it’s crucial to develop a rugged, light-weight, portable system that can make real-time measurements of radiation environments,” said Pisacane, R.A. Heinlein Professor of Aerospace Engineering in USNA’s Aerospace Engineering Department. “Spacesuits and spacecrafts integrated with microdosimeter sensors can help assess risk, provide warning at the onset of enhanced radiation so astronauts can take protective action, and help crews determine safe locations during these periods.”
Although both the Moon and Mars lack a global magnetic field, their fields have enough strength to provide certain zones of protection, respectively.
Unless humanity can figure out a way to create an artificial magnetic field for a planet (or enhance the world’s current field), humanity may have to resort to living within shielded biospheres indefinitely.
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Building A Better Spacesuit
One of the few things keeping the human body from freezing, burning and drying to death is the “ever lovable” spacesuit. Despite the benefit they provide towards astronauts, the suits themselves are quite bulky, making it less comfortable to actually work on the lunar surface.
One researcher is going about to change all of this, by giving these suits a complete makeover.
(Red Orbit) “I can’t tell you how many times I watched the astronauts fall down on the lunar videos,” she joked. “Obviously, it isn’t meant to be funny. But it’s difficult for them to get up with the survival pack on their back and those bulky suits. We’re hoping our new research projects will lead to a streamlined space suit that makes it easy to navigate the terrain.” [...]
“For one thing, it’s clear that the placement of the life support pack is too high on the astronaut,” Scott-Pandorf said. “Possible redesign ideas are to alter the pack to fit the front and back of the space suit evenly or create a pack that attaches closer to the waist, which would lower the astronaut’s center of gravity. It’s the same idea as if you were balancing on a surf board bending your knees and staying low. This lowers your center of mass and allows you more stability.”
After watching the videos is fairly obvious that NASA’s spacesuits were designed more to do a job (i.e. keep the astronauts alive) than to actually be comfortable.
With the private sector becoming more serious about transporting humans into space, comfortable spacesuits will increasingly be apart of the menu (as space tourists would probably enjoy the Moon more on their feet than on their face).
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Is Outer Space Really Our Salvation?
If an observer were to dip their head inside the space industry, one would notice the rush to settle humanity either on the Moon, Mars or upon future space stations orbiting Earth. There seems to be a mass movement dedicated towards ensuring that our species establishes a “beta home” elsewhere, just in case we are wiped out from either an asteroid or a biological and/or nuclear war.
But if we were even able to settle on other terrestrial bodies tomorrow, would our species be able to survive without Earth?
Unlike the other worlds that orbit our star, Earth lies in what many scientists regard as the habitable zone. Within this region of space, a planet hosting a friendly atmosphere can have liquid waters gracing its surface, an important feature enabling complex ecosystems to survive (let alone thrive).
Other worlds such as Mars lie outside of this zone, and despite showing signs of harboring liquid water within its soils, it lacks the sufficient temperature to maintain water in this state upon its surface. Although some argue that aggressive terraforming could alter Mars into a second Earth, it would take at least a thousand years (if not longer) to transform this barren world, not to mention trillions of dollars.
Unlike most other rocky bodies in the solar system, Earth also boasts a magnetosphere, a key ingredient required for living organisms as cosmic radiation is not known to be healthy. Although both the Moon and Mars each maintain an active magnetosphere, neither are strong enough to cover their entire worlds, respectively.
Even though Mercury and Jupiter’s moon Ganymede boast a global magnetosphere, both are either too close or too far away from the sun to host vibrant environments for plants and animals, at least in the near future.
Unlike Earth, most (if not all) of the worlds and moons that orbit the Sun do not harbor soils that are generally friendly towards plant life. Although Mars is often regarded by many as humanities second home, its soil may be too toxic for growing plants upon it directly.
Despite the fact that our lunar neighbor shows some promise (however small), it lacks large bodies of water necessary to support life on that airless body.
Even if humanity were able to transport millions of people upon the Moon and Mars, and yet lose Earth, our species would probably face the cold reality of extinction. Establishing colonies upon other worlds is no guarantee towards our survival abroad, as colonies would still be dependent upon Earth for tons of fertile soil for growing grain (as well as animals for meat) in the near and distant future.
Whether by cosmic chance or divine will, Earth is the oasis of the solar system, the only world capable of supporting life without the need of biospheres (something we still have not perfected). Earth is the “only Eden” that humanity has, whether we like it or not. Outer space is an opportunity for our species, one that can drastically improve life upon our home world whether it be through energy, communication, agriculture or medicine.
But space (with all of its resources) could never replace our world, and if our species can not take care of our Earthen cradle, then there is no guarantee that will be fit enough to survive on a second world.
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Are Carbon Nanotubes Self Healing?
One of the basic building blocks of a space elevator are carbon nanotubes (or CNT). Despite their promise of making the space elevator feasible, unless the CNT ribbon can be repaired, space elevators may enjoy a short lifespan due to radiation from the Sun, micrometeorites, and wear and tear from climbers traveling up and down the ribbon.
But it seems as if some scientists have discovered unique feature of carbon nanotubes, which may help extend the CNT ribbon’s warranty.
(ScienceDaily) The Rice University-led study offers the first explanation of how such tiny cylinders of carbon, no wider than a strand of DNA, can be so resilient: tiny “blemishes” crawl over the skin of damaged tubes, sewing up larger holes as they go.
“The shape and direction of this imperfection does not change and it never gets any larger,” said Professor Boris Yakobson, the study’s lead investigator. “We were amazed by it, but upon further study we found a good explanation. The atomic irregularity acts as a kind of safety valve, allowing the nanotube to release excess energy, in much the way that a valve allows steam to escape from a kettle.”
If scientists can further exploit this trait, CNT’S could be engineered to last for decades before needing a “tune up.” The space elevator’s current weakness lies along the lines of actually repairing damage to the ribbon, which needs to be seriously addressed in order to avoid the whole structure from collapsing due to the elements as well as friction from the climbers.
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Is The Moon A Beta Test For Mars?
Before our race decides to muster the courage to populate our solar system, we need to figure out our current strengths and weaknesses, as well as threats to colonizing a world.
Although Mars remains an attractive target for a new home, we may need to test our skills on a much closer body.
(Physorg.com) On the Moon, astronauts can develop and test techniques for building habitats, harvesting resources and operating machinery in low gravity, high vacuum, harsh radiation, pervasive dust and fantastic extremes of temperature—an environment whose prolonged combination is simply impossible to duplicate on Earth. What they learn will be useful not only on the Moon, but also essential for preparations in going to Mars.
Despite its awe and wonder, we must all realize that space is a very hostile environment, one where the slightest mistake could lead towards ones end within seconds. Even with all of our vast technology, humans are still very much dependent upon Earth for survival, as we have yet to develop a self sustaining biosphere.
Mars may inspire the masses, but it will be the Moon that proves whether or not our species has what it takes to survive off-world, let alone thrive millions of miles away from our home planet.
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New Mexico Spaceport Executive Has Died
(Hat Tip: Space Fellowship)
One of the men who helped pioneer commercial spaceports in New Mexico (which probably influenced other states and countries to construct similar ones) has passed away recently.
(Spaceport America) Governor Bill Richardson released the following statement today on the death of Lonnie Sumpter, executive director of the New Mexico Spaceport Authority:
“Lonnie was a true public servant and dedicated the last 15 years of his life to building a new space industry in New Mexico,” said Governor Bill Richardson. “As executive director of the NM Spaceport Authority he was a pioneer in his profession and a valued member of my Administration.”
Sumpter will definitely be greatly missed by space enthusiasts within his state, as his vision helped spark the private space industry and convinced not only individuals, but government officials of its worth.
My prayers and thoughts are with Sumpter’s family, friends and coworkers.
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Merging Man With Machine Via Exoskeletons?
New technology may enable humans to interact with machines in ways only dreamed of by science fiction writers. Although built for people suffering from impaired nervous systems, this technology could open up a whole new frontier merging man with machine.
(Space Daily) A robotic exoskeleton controlled by the wearer’s own nervous system could help users regain limb function, which is encouraging news for people with partial nervous system impairment, say University of Michigan researchers. The ankle exoskeleton developed at U-M was worn by healthy subjects to measure how the device affected ankle function. [...]
In the U-M device, electrodes were attached to the wearer’s leg and those electrical signals received from the brain were translated into movement by the exoskeleton.
“The (artificial) muscles are pneumatic. When the computer gets the electrical signal from the (wearer’s) muscle, it increases the air pressure into the artificial muscle on the brace,” Ferris said. “Essentially the artificial muscle contracts with the person’s muscle.”
Although this technology has the potential of turning into something along the lines of Gundam Wing, this technology could easily be used for future astronauts not only in space, but also on the Moon and Mars. Exoskeletons could enable humans to easily mine planets, moons and asteroids, not to mention pilot a star ship by mere thought.
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More Evidence Of Martian Underground Water
Martian scientists are getting excited with more evidence showing that Mars may have liquid water flowing underneath its surface.
(New Scientist Space) Water may have once flowed several kilometres beneath the surface of Mars in underground piping, according to new images of pipe-like fractures in bedrock taken by the most powerful camera in orbit around Mars. [...]
“These deeper underground areas may have been an oasis for any sort of biologic activity that may have been occurring,” says Chris Okubo, a planetary scientist at the University of Arizona in Tucson, US.
Some scientists think that Mars may hold oceans beneath its surface. If so, locating these underground reservoirs will definitely be key towards conquering the red planet as water can provide not only life, but fuel (via hydrogen) as well.
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Is The UAE Setting Up A Spaceport?
Their are rumors that the United Arab Emirates (aka the UAE) may be partnering with Virgin Galactic in order to establish spaceport on Arabian soil.
(ArabianBusiness.com) Richard Branson, the British founder of Virgin and its myriad of business units, is a frequent visitor to the UAE and is rumoured to be in discussions to make it a hub for commercial space travel.
Bahrain is also being considered, according to a report in Arabian Business magazine.
The first location for Virgin Galactic will be the Mojave Spaceport in the Californian desert, but this is expected to be used primarily for space tourism.
According to the article, the UAE is already partnering with Space Adventures who is building the country a spaceport estimated to be worth $265 million. Why the UAE would need two spaceports is anybodies guess.
Either way, it is good to see another middle easter nation (after Israel) begin to take the final frontier seriously, (not to mention peacefully) and hopefully other countries in the region will begin to follow suit.
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NASA Not Fond Of Space Elevators?
After listening to a podcast from The Space Show, Ted Semon has discovered that NASA is not that all interested in space elevators.
(Space Elevator Blog) I was surprised to learn that NASA is NOT interested in the Beam Power Competition to power a Space Elevator, nor are they interested in the Tether competition to build a Space Elevator. Ken put it quite bluntly: “NASA’s not interested in Space Elevators…”, at least not as far as the Centennial Challenges are concerned. NASA is looking at the results / winners / new technologies developed out of the Beam Power competition for Lunar exploration purposes and they are looking at the Tether competition for fundamental materials research.
Despite my surprise over this revelation, one thing us space elevator fans have to remember is that this new form of transportation has yet to prove itself to the space community and the world as a whole.
NASA should be thanked for actually helping to pioneer this idea by providing seed money via X-Prize Cup style, but we should probably be more thankful that the private sector (i.e. LiftPort, Black Line Ascension) is seriously attempting to construct one.
Note: Is it me or is Black Line Ascension’s website down?
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Will Purple Space Potato's Put Hair On Your Chest?
Maybe, but whether or not this cosmic vegetable will make you slightly hairy, one thing is for sure: they seem to taste better than their Earth grown cousins.
(Xinhau) The new type of sweet potato, developed from seeds that mutated in outer space, has a much deeper purple color than previous generations, according to the Haikou Purple Orchid Co. Ltd., the grower, in China’s southernmost Hainan Province.
Named Purple Orchid 3, the “space” potatoes are of normal size and not much different from ordinary potatoes in sweetness and fragrance, but taste more glutinous, said company manager Chang Lingen. [...]
Since purple is believed to represent nobility and romance, restaurants in the booming city of Shanghai have started offering a range of culinary delights featuring the new purple sweet potatoes, as a warm-up promotion for Valentine’s Day, which couples in China often celebrate by eating out.
Although these seeds were ripened on Earth, China is pioneering a new frontier in space farming. Since most soils off world may not be suitable for growing grain, harvesting these crops in space may prove quite beneficial.
Of course no one yet knows the full side effects of eating these foods (aside from the taste factor), but they may provide a delicious alternative towards dry processed meals all to familiar to military and NASA personal.
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Will French Ideas Kill The European Space Race?
(Hat Tip: Space Pragmatism)
With China, India, and NASA getting serious about returning humanity to the Moon (and beyond), France is trying to motivate its European neighbors to collaborate their efforts lest they be left behind in the space race.
(Space.com) Among the 50 proposals:
- Sanctions should be imposed on any European government that does not give preference to European launch vehicles for its government civil and military satellites.
- France should begin preparing nuclear-powered satellites to permit deep-space exploration, using expertise at the French Atomic Energy Commission and in French industry.
- Europe’s heavy-lift Ariane 5 rocket should be made capable of launching astronauts within five years.
Although it’s good to see France rounding up the Europe to take the space race seriously, penalizing nations for outsourcing their launch vehicles would probably do more to split the group than unify it.
What makes the alt.space industry great is the ability to choose where to do business from (e.g. Space Adventures, and American company launches from Russia).
If France tries to impose some sort of weird embargo on outside competition, they may be stuck with an undeveloped and expensive space industry that no one wants to ride in.
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Inflatable Habitats For Space Colonies?
(Hat Tip: Lifeboat Foundation Blog)
Constructing a space colony on the Moon and Mars will not only be quite expensive, but tedious as we have to haul all of the materials and tools to another world.
But what if we could simply instead “inflate” a space habitat, similar to what Bigelow Aerospace has done with the space station? That is something two scientists are trying to figure out.
(Physorg.com) In a recent article submitted to arXiv.org [3], Bolonkin and Cathcart have designed an inflatable, translucent dome that can heat its interior to comfortable temperatures using only the weak sunlight of high latitudes. While many details remain to be worked out, the essential concept is sound. To improve the energy efficiency of the structure, they propose adding multiple insulating layers, aluminum-coated shutters, and a fine electrical network to sense damage to the structure. The dome would be supported entirely by the pressure of the air inside, which can be adjusted to compensate for the added buoyancy caused by high winds.
The principle advantages of this design are the low weight and flexibility of the material. If only a few people at a time need shelter, an enclosure the size of a small house would weigh only about 65 kg, or as much as a person. This is light enough even for a space mission, and setting up would be as easy as turning on an air pump. For large colonies, enough membrane to enclose 200 hectares would weigh only 145 tons. The interior would be warm and sheltered, a safe environment for the construction of more traditional buildings and gardens.
The idea behind this is ingenious, as it would provide an inexpensive way for colonies to be established until more rigid domes could be built.
Despite the fact that space rocks raining down on the Moon as well as Mars may make living on the surface “slightly hazardous,” these inflatable domes could make re-building a damaged space colony simple and affordable.
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Camping Out On The Red Planet
It looks like the Mars Express has produced hiking or “camping” maps of the red planet, highlighting the various elevation paths of the Iani Chaos region.
(Red Orbit) Scientists using data from the HRSC experiment onboard ESA’s Mars Express spacecraft have produced the first ‘hiker’s maps’ of Mars. Giving detailed height contours and names of geological features in the Iani Chaos region, the maps could become a standard reference for future Martian research.
The maps are known as topographic maps because they use contour lines to show the heights of the landscape.
The contour lines are superimposed upon high-resolution images of Mars, taken by the High-Resolution Stereo Camera (HRSC) onboard Mars Express. On Earth, such maps are used by hikers and planning authorities.
Creating maps like these give Mars a more “Earthen feel” and perhaps make it more appealing as a future home rather than a distant world. (for more maps, click here)
Note: Maps like these remind me of those Crazy4Mars stories (via 4Frontiers) which center around several families living on the red planet.
Update: Added photo and link towards more maps.
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Establish First Contact (& Subscribe)
Love of Lunar
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Interplanetary Essays
