Is there life on Mars? How many galaxies are there in the universe? Can we grow potatoes on the moon?...
It’s one thing to be an astronaut, it’s another to be a record-setting one! Christina Koch falls among the latter....
Is there life on Mars? How many galaxies are there in the universe? Can we grow potatoes on the moon?...
It’s one thing to be an astronaut, it’s another to be a record-setting one! Christina Koch falls among the latter....