To your eye, Betelgeuse is the bright "shoulder" star in Orion. A new simulation shows what it would look like if you could get up close: an enormous, boiling cauldron of gas.
If Betelgeuse were placed where the Sun is, Earth's orbit (blue circle) would be deep inside. That's how big it is!
https://www.mpa-garching.mpg.de/1094283/hl202403 #science #space #astronomy #nature