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6 votes
2 answers
249 views

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 ...
Cornelis's user avatar
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1 vote
1 answer
185 views

Does the polygonal pattern on the floor of this "crater" on Mars mean that there's water ice below its surface?

This presentation of the Program of the Second MSL Landing Site Workshop shows an image of a "crater" near the equator that is 2.4 km wide and 750 meters deep ! On the Mars Image explorer you can ...
Cornelis's user avatar
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5 votes
1 answer
699 views

What kinds of instruments do you need to detect whether liquid water/ice is on a planet?

Somewhat of a two-part question. Firstly I'm interested to know if it is expected that a planet/asteroid has water/ice on it, what kinds of scientific instruments you need to identify the presence and ...
Capeboom's user avatar
  • 283
6 votes
2 answers
445 views

Where on Mars did the largest river once flow?

It is generally accepted that once there was running water on the surface of Mars. Can it be determined from remote sensing data from space where the biggest, largest and longest ones were?
Cornelis's user avatar
  • 7,561
2 votes
0 answers
80 views

Mars drill depth to discover Life

Curiosity has shown that Mars used to have persistent liquid water on the surface. (~3+ billion years ago.) IF life was around at that time, at what depth would we expect to find it? Without plate ...
MarsOneOrBust's user avatar