TC:
SpaceX has done it. Elon Musk’s rocket startup just successfully launched and then landed a Falcon 9 rocket some 10 minutes later. This comes after several attempts that ended in fiery explosions.
The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.
The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).
Images show surprise changes to the spacecraft as it interacted with the atmosphere.
