Elon Musk says building the first sustainable city on Mars will take 1.000 Starships and 20 years
Musk's stated launch cost of only around $2 million per Starship flight is essentially required, should the final goal be to set up a "self-sustaining city on Mars"
NASA spots massive, trippy Thermonuclear Blast
This particular explosion, from the pulsar SAX J1808, is called a Type 1 X-ray burst
Ultra-fast star found to be traveling at more than 3,7 million mph!
“The velocity of the discovered star is so high that it will inevitably leave the Galaxy and never return”
