iotman in #science • 19 hours ago🌌 SpacePicture of a Day: Supernova Remnants Big and Small 🪐What happens after a star explodes? A huge fireball of hot gas shoots out in all directions. When this gas slams into the existing interstellar medium, it heats up so much it glows. Two diotman in #science • 2 days ago🌌 SpacePicture of a Day: A New Year's Aurora and SAR Arc 🪐It was a new year, and the sky was doubly red. The new year meant that the Earth had returned to its usual place in its orbit on January 1, a place a few days before its closest approach to thiotman in #science • 3 days ago🌌 SpacePicture of a Day: Colliding Spiral Galaxies from Webb and Hubble 🪐Billions of years from now, only one of these two galaxies will remain. Until then, spiral galaxies NGC 2207 and IC 2163 will slowly pull each other apart, creati
