Questions tagged [mars]
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Terraforming and maintaining a habitable atmosphere on Mars
Since Mars core does not function like Earths does, would a planetary core "kick-starting and maintaining" device be needed in order to produce a magnetosphere required to preserve the ...
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What oxidised the soil on Mars?
What exactly was it in the ancient Martian atmosphere that made it red? Was it water, molecular oxygen or something else?
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Do any spike-like "cemented fillings of ancient fractures in a sedimentary rock", remotely similar to this one on Mars, occur on Earth?
The SETI Institute recently tweeted the image below, with the text:
#PPOD: Here is another cool rock at Gale crater on Mars! The spikes are most likely the cemented fillings of ancient fractures in a ...
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How well can they localize the sources of these marsquakes using only a single seismometer? Does being in the shadow zone of the core help or hinder?
Phys.org's April 23, 2022 Two largest marsquakes to date recorded from planet's far side links to The Far Side of Mars: Two Distant Marsquakes Detected by InSight which contains the image below.
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Air pressure on Mars below ground
As I understand, in deep mines on Earth the air pressure increases with depth. At what depth on Mars would the air pressure reach 14psi (97 kPa)?
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How large were Mars' ocean tides and to what extent could they keep the oceans mixing and tend to keep salinity uniform? Has this been modeled?
This answer to Salinity of Martian water 3.5 Billion years ago in Astronomy says that most estimates of Mars' ocean's salinity are pretty high;
The article "Water Activity and the Challenge for ...
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Blueberries, cauliflower, chert, concretions, accretions and diagenetic crystal clusters on Mars, can you help me sort these all out?
Curiosity has actually seen these types of features before, which are called diagenetic crystal clusters. Diagenetic means the recombination or rearrangement of minerals, and these features consist of ...
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Why is the delta part of Jezero crater higher than the surroundings?
In images of Jezero crater on Mars, it looks like the delta fan is higher than the surrounding crater floor.
This indeed seems to be the case with closer-up images from the Perseverance rover taken ...
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Is there really precipitation on Mars? Does frost count?
The NASA Goddard science education page answer to Reading about Mars, I noticed that it has .03% of water vapor in it's atmosphere, and my question was if it has water vapor why doesn't it have ...
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Why is Olympus Mons the largest volcano in the whole solar system?
Why is it that the volcanoes found in the Tharsis Montes region near the Martian equator, (one of which is Olympus Mons) so much larger than those found on Earth. In comparison, Hawaii's Mauna Loa, ...
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How could the solar wind cause strange magnetic pulses on Mars at midnight?
24-Feb-2020 NASA News item A Year of Surprising Science From NASA's InSight Mars Mission says:
A new understanding of Mars is beginning to emerge, thanks to the first year of NASA's InSight lander ...
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Mars' strange magnetic pulses at midnight; besides the solar wind what are other possible causes?
24-Feb-2020 NASA News item A Year of Surprising Science From NASA's InSight Mars Mission says:
A new understanding of Mars is beginning to emerge, thanks to the first year of NASA's InSight lander ...
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How to make Martian soil [duplicate]
My son wants to replicate some experiments and try to grow plants in Martian soil for his A-level science project. I know NASA have managed to produce soil that mimics Martian soil, however I also ...
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How to make Martian soil
My son wants to replicate some experiments and try to grow plants in Martian soil for his A-level science project. I know NASA have managed to produce soil that mimics Martian soil, however I also ...
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Considering the thin piece of material on the surface of Mars in the image below, is there anything like it on Earth?
The above is a magnified part of the original image below captured by the Curiosity rover on Mars on sol 1729 (June 17, 2017).
From the added information with that raw image it can be estimated that ...