First one was before the Solar system finished forming, no life, it was also the size of Mars. The Moon is a combination of matter from that object and matter thrown up from Earth. Second one was tiny by comparison and we actually are pretty sure we found the crater
Yes but hydrogen has storage problems in that it messes with storage containers making long term storage potentially hazardous. How much of that last part is bullshit I am not qualified to answer but it sounds fucky to me.
The pure “Nah bitch WE losin” energy of the shield detonation problem is beautiful to behold
IIRC it was a sort of AI Dungeon Master for games like DnD