Paid subbies to my newsletter can see how (and how we know) the building-sized potentially Earth-impacting asteroid 2024 YR4 is shaped like a battered hockey puck, and also how an exoplanet was detected in X-rays!

Phil Plait

https://badastronomy.beehiiv.com/p/asteroid-2024-yr4-is-a-hockey-puck-and-an-exoplanet-seen-in-x-rays-kinda

Wandering Adventure Party

Paid subbies to my newsletter can see how (and how we know) the building-sized potentially Earth-impacting asteroid 2024 YR4 is shaped like a battered hockey puck, and also how an exoplanet was detected in X-rays!