6. The density of some gas giants, for example, Saturn, is less than the density of water.
7. Metal objects in outer space can spontaneously weld to each other, but this does not happen in certain cases, since the metal is oxidized even on Earth.
8. People who snore while sleeping on Earth do not snore in space, in a state of weightlessness.
9. There are more than a hundred billion galaxies in the observable part of the Universe. Yes, it is galaxies.
10. The nearest galaxy to the Milky Way is Andromeda, but it is also about two million light-years away.
