From Habr:

xxx: Well, in relation to the moon, the word "moon" is quite literal.
Agree, the earth on Mars does not smell - both in the meaning of soil and in the meaning of the planet.
YYY: Has he settled, has he settled? and yes)
zzz: Refuge will be quite problematic given the absence of a “hard flat surface.”
aaa: Do you think metal hydrogen is not solid or uneven at a pressure of a million atmospheres? and :)
bbb: At such a pressure, a starlight that sits on a metal hydrogen surface will not create any irregularities on it. It flaps, to put it simply.
ccc: Prepare yourself in the metal hydrogen ;)