Gas halo flips galaxies from bright young things into has-beens
Gas leaving a galaxy form part of an epic tug of warNASA/ESABy Harry PettitA gaseous tug-of-war flips galaxies from bright up-and-coming prospects to dim has-beens, a new simulation shows. There are two types of galaxy in our universe: “blue” galaxies, which rapidly birth new stars, and “red and dead” galaxies, which have given up star formation. Once...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark