What if the Moon crashes into Earth? - Real physics (mostly)
7
votes
-
-
True limits of humanity – The final border we will never cross
7 votes -
What if we nuke the moon?
7 votes -
What if Earth got kicked out of the solar system? Rogue Earth
3 votes -
The largest Star in the Universe – size comparison
5 votes -
Could solar storms destroy civilization? Solar flares and coronal mass ejections.
7 votes -
How to escape a supernova: Stellar engines
7 votes -
1,000km cable to the stars - The Skyhook
15 votes -
Neutron stars – The most extreme things that are not black holes
10 votes -
The most dangerous stuff in the universe - Strange stars explained
11 votes -
How we could build a moon base today – Space colonization 1
12 votes