Phil Plait on Nostr: Halloween's a-comin', so here's something really scary: An asteroid that wasn't ...

Halloween's a-comin', so here's something really scary: An asteroid that wasn't discovered until *after* it had already passed us.

(But we're working on a way to find these...)

Bonus: a classic but hard-to-find scifi doomsday movie you can watch online.

https://badastronomy.substack.com/p/wanna-see-something-really-scary