NASA photo of Jupiter moons
doctornemo boldly goes where ... well, it turns out almost everyone has gone before, with an impressive roundup of current space busyness and business in orbit, moon news, ambling among the astroids, snack time with a black hole, and what's stirring re Mars and Jupiter. 🌏🚀🌝🛰💫
Discworld by CarbonNYC [in SF!] (cc by)
Black hole time! PhysicsMatt answers why the accretion disk is a disk rather than a sphere, and RedOrGreen explains a bit about interferometry (and other stuff) in the Mefi thread on the reveal of the first black hole image.
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