This tells you that, because Mercury is very cratered, it must have no protection against the asteroids coming in. So, it is basically telling you that Mercury has a very thin atmosphere
Mercury is very cratered, like the Moon.
Cratered.
Yes, it is cratered like the moon but is very dense.
Mercury is the most cratered planet in the solar system.
The planet Mercury has the most similar cratered surface compared to the moon.
Mercury
1.000 time saller
Mercury.
Mercury
Well cratered ... worse than the moon.
mercury
that's planet mercury