Questions tagged [ice]

Ice refers to extra-terrestrial sources of ice (i.e. other celestial bodies like planets, comets, etc). Use this tag to discuss the search for ice, as well as ice found through space exploration.

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How hard is the hardest ice in the solar system? Is it in Pluto's ice mountains?

NPR's Pluto Has White-Capped Mountains, But Not Because There's Snow includes the following: "Initially, it seemed logical that this high-altitude frost could form like on the Earth," says ...
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Choosing a specific region to live on Mars, how important will the degree of dust there be, compared with the availability of water?

Credits: NASA/JPL-Caltech/ASU The map above shows underground water ice on Mars, it's from the article NASA's Treasure Map for Water Ice on Mars. The blue and purple represent water ice less than 30 ...
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Do penitentes predicted on Europa only apply to snow-covered areas and not bare ice?

This answer to What would ice-skating be like on Europa? cautions that it might be difficult because there may be penitentes which Wikipedia explains are snow formations. It links to EarthSky.org's ...
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Where exactly are those eight steep slopes on Mars revealing structures of buried ice?

Credit:NASA/JPL-Caltech/UA/USGS The image above is from Phys.org's article Steep slopes on Mars reveal structure of buried ice that I came upon by the link in a comment from @Mark Adler after his ...
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Would it be possible to send a nuclear bomb to Europa and make a hole in the ice of more than 11 km?

The idea is to carry an atomic bomb in an orbiter and throw it towards the surface, would it be plausible?
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Would snow fall on the surface of Mars because of uncovering the ice deposit in Utopia Planitia?

In 2016 a large ice deposit was 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 about 80 ...
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Why were there so many icicles in this Space Shuttle launch area? (Challenger disaster)

The blogpost Lessons From NASA Disasters: When Curiosity Deficits Kill is about the importance of freedom of curiosity for members of organizations. However it contains many Space Shuttle-related ...
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How tall are Pluto's mountains? Are they the tallest ice features in the Solar System?

The Gizmodo article It Looks Like Pluto Has a Liquid Water Ocean shows a large image of pluto with obliquely lit peaks near both the terminator and the edge of the disk where the topography is really ...
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Which would be more prone to regolith-ice-melting issues, a rover's wheels or an astronaut's boots?

This answer to Has NASA “gone south”? Why are astronauts needed to explore the Moon's south pole? and the question What would happen if an Apollo astronaut landed on Pluto? both touch on issues of ...
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How old is the oldest water ice in Mars' polar caps?

Mars has permanent water ice caps at both poles, which are seasonally covered by carbon dioxide ice. What knowledge do we have regarding the age of the oldest ice in those caps?
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Has the HP$^3$ on the Insight lander actually a probe to detect water and ice in the subsurface of Mars?

The Heat Flow and Physical Properties Package (HP$^3$) is a science instrument onboard the Insight lander that features a self-penetrating probe to determine how heat flows inside Mars. Nicknamed "the ...
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Would a large impactor on an ice moon cause a thinning of the ice surface?

While it has not been confirmed, Callisto (Jupiter IV) could potentially have a small subsurface ocean below a thick ~100 km ice layer, according to Wikipedia. A mission to explore that ocean might ...
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If there is actual ice on the moon, why hasn't it sublimated?

The Ars Technica article NASA seeks industry help with lunar landings, potentially sample return discusses the potential value of ice on the moon as a source for fuel in future space missions. Ice ...
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What forms of water ice have been observed and verified in the solar system?

The cool plot in this answer (from here) got me thinking about the more than sixteen distinct forms of ice, and how many of them have been actually seen to occur naturally in the solar system. There ...
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Where do ice giants contain ice?

There is a class of planets called ice giants. Let's talk about Neptune. The top layer is atmosphere, consisting of hydrogen and helium. The amount of these gases is about 10% but they produce high ...
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What are the droplets/particles falling off rockets at launch?

In this picture from the AsiaSat 6 launch by Falcon 9 on 8th September 2014, the part of the rocket between the fairing and the engine appears to be surrounded by dust, water droplets or debris: And ...
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What about gathering water ice from Saturn's rings?

Saturn's rings are almost pure water ice in nice manageable chunks from specks to boulders a few meters across. Assuming there is something truly useful to do with it - once again talking about ...