Will the supernova in 2022 affect earth. .
Will the supernova in 2022 affect earth. Sep 25, 2025 · A supernova of a star more than about 10 times the size of our sun may leave behind the densest objects in the universe— black holes. The Crab Nebula is the leftover, or remnant, of a massive star in our Milky Way that died 6,500 light-years away. Supernovae can expel several solar masses of material at speeds up to several percent of the speed of light. The term supernova is derived from nova (Latin: “new”), the name for another type of exploding star. Supernovas are some of the brightest events in the universe, occasionally outshining entire galaxies at their peak. This drives an expanding shock wave into the surrounding interstellar medium, sweeping up an expanding shell of gas and dust observed as a supernova remnant. Many supernovas can be seen from billions of light-years away, and nearby supernovas in past centuries have been visible during the daytime. Aug 31, 2025 · supernova, any of a class of violently exploding stars whose luminosity after eruption suddenly increases many millions of times its normal level. 6 days ago · What is a supernova explained simply? Learn how stars explode, the types of supernovae, what they leave behind, and the most famous supernovae in history. . nholw hl tozyb lhhvydc wxo4sx 2v1r ykc2kmn 2b0k ehupmk k70qmn