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Questions tagged [geology]

Questions related to processes and principles related to the interior and the solid surface of a planetary body.

4 questions with no upvoted or accepted answers
2 votes
0 answers
81 views

Are stagnant-lid Earth analogues guaranteed to become Venus-like?

In our current understanding of Venus, two things are generally accepted: Venus reached its thermal tipping point at least 700 Ma. As the Sun's luminosity gradually increased with age, its average ...
Thoth's user avatar
  • 181
2 votes
0 answers
75 views

Has the computed change of the axial tilt ever been measured?

Earth, the 3rd planet from the Sun, sometimes faces earthquakes and seaquakes that are so strong that they reportedly change the axial tilt and/or the rotation velocity. These changes are merely ...
Ioannes's user avatar
  • 1,090
2 votes
0 answers
58 views

How scientists estimated the number of near-Earth supernovae over the last 11 million years?

According to this article on wikipedia, An estimated 20 supernova explosions have happened within 300 pc of the Earth over ...
user avatar
1 vote
0 answers
36 views

What is the elevation of this mesa in Noctis Labyrinthus?

I'm interested in the elevation of this mesa in Noctis Labyrinthus. It's located at -6.3, 265. This image is from https://www.geo.fu-berlin.de/en/geol/fachrichtungen/planet/press/archiv2016/...
Sam Ruhmkorff's user avatar