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Questions tagged [mars]

Questions about the science or exploration of the planet Mars.

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What type of rock or soil on Mars will give Nostoc Commune cyanobacteria the best chance to survive there?

Photo taken by YAMAMAYA Cyanobacteria are a group of photosynthetic bacteria, who use the energy of light to synthesize organic compounds from carbon dioxide, and producing oxygen this way. Nostoc ...
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Inspiration Mars Foundation Mission to mars Current Status?

According to the Wikipedia article Inspiration Mars Foundation: Their website became defunct by late 2015 but it is archived by the Internet Archive. The Foundation's future plans are unclear. ...
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'Space Transit Habitat' source(s) of energy

What are the sources of energy for a Space Transit Habitat(manned) in terms of both propulsion( after passing over the Low Earth Orbit) and required electric facilities)through a 6-8 month voyage to ...
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Would the atmosphere of Mars become less dusty if the ice deposit in Utopia Planitia could be uncovered?

In 2016 a large ice deposit has been found within the Utopia Planitia region on Mars by the SHARAD instrument on board of the Mars Reconnaissance Orbiter. The thickness of the deposit ranges from 80 ...
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How much CO₂ could the wind through a tunnel within the deposit near the south pole of Mars sublimate?

Within the CO₂ deposit near the south pole of Mars, according to this article 3 subunits have been found with one having the top CO₂ layer of about 300 meters thick covered by a water ice layer with a ...
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Transportation on the Mars I Air

Due to the thin atmosphere generating lift on Mars is difficult at a lower speed, Flying is hard until aircraft go supersonic and then it becomes difficult to control(Ref.). The landing would not be ...
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How to size Solar Array for Mars Surface

Good morning everyone, I am working on a project for my university where we need to perform a PrePhase A study for a Mars Infrastructure for Propellant production as a means of support for future ...
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Do you recognize these space artists who made this (possibly) first “paint-by-numbers” image of Mars?

Update! I've just run across the NASA Jet Propulsion Laboratory video Five Ways Mariner 4 Changed Mars Exploration and it mentions this "paint by numbers" representation of "the first digital image of ...
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Have there been any significant improvements to methods of transporting hydrogen to the surface of Mars in the last 10 years?

I have just been reading “Human missions to Mars: enabling technologies for the red planet” by Donald Rapp (Praxis publishing 2008). According to this book one major challenge facing a future manned ...
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What are the physical requirements of an astronaut for a Mars mission likely to be?

I realize that there's a lot of speculation involved here, but current actual mission profiles have PT programs and general wellness specifications. It seems like the qualifications would be a ...
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Would the EMP from atmospheric polar nuclear detonations on Mars felt by orbiting spacecraft be larger or smaller than (if it were) on Earth?

Gizmodo's Watch Elon Musk Describe Terraforming Mars to Stephen Colbert links to the video (shown below). Their second article Elon Musk Clarifies His Plan to "Nuke Mars" quotes Musk from a SolarCity ...
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Ammonia synthesis on Mars — has there been any discussion or research?

Ammonia can be used in the production of fertilizer, as a source for nitrogen in soil for plants, in this case for food. Synthesis of ammonia from nitrogen can be done with the help of bacteria using ...
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Was the telltale on the Mars Phoenix Lander used for meteorology? Why not a hot wire anemometer instead?

Reading about ping pong ball anemometers I discovered that the Mars Phoenix Lander had an anemometer of this design, and there are images and GIFs of it moving. When imaged from one or two different ...
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Rationale for human presence on Mars in the Apollo era

The Apollo program was motivated by politics; no matter that the Apollo program was conceived before Kennedy's speech, the commitment to make it happen was driven by the need to demonstrate an ...
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Images of Mars Phoenix Lander showing what's happened after more cycles of winter ice build-up?

The Mars Phoenix Lander's End of Mission is an interesting story. It was left in a state such that had it survived the Mars winter of 2008, it could potentially be contacted again in 2010. The ...
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Is there any reason other than lack of oxygen Tardigrades can't survive Mars?

If Cyanobacteria or Lichens can survive on Mars could other small organisms like the Tardigrade then survive & flourish among them? Due to the thicker atmosphere to be found the bottom of the ...
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Can Mars provide vitamins?

How long can nutrients found in Mars along with an algae diet sustain human life?
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Why would ISRO's MOM-2 Mars orbiter mission's apoarion already be decided in such an early call for proposals?

ISRO's announcement Announcement of Opportunity (AO) for future Mars Orbiter Mission (MOM-2) says in part: It is now planned to have the next orbiter mission around Mars for a future launch ...
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How to determine an available planetary communication window using orbital mechanics?

For class I have an orbit around Mars at an inclination of 63.4 deg and a base site of 55 deg North and was wondering how to work out the communication window, using orbital mechanics. Orbital ...
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Can cirrus clouds be created on Mars?

On Earth we are thinking about reducing the cirrus clouds to cool off the planet Earth, but can cirrus clouds be created to add to Mars' atmosphere and keep the heat from escaping into space?