“Where are
the aliens?” This is the famous Fermi paradox: there are billions, if not
trillions of galaxies in our Universe with billions of stars in each, most of
which are orbited by one or more planets – why has no alie
Wonderful Chandra
observations show that the “Hand of God” supernova remnant MSH 15-52 is slowing
down, while studies of SN 2018zd confirm predictions about the existence a third
type of supernova.
Using data from the Sloan Digital Sky Survey, astronomers have found that cosmic filaments connecting superclusters are rotating, which gives new clues about how the largest structures in our Universe work.