On this episode of the SpaceGeeks podcast, Dan Leone talks to Jeff Thornburg: a propulsion expert who just capped a five-year stint at SpaceX where he led development of the company’s methane-fueled Mars engine, Raptor.
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.
