Astronomers use a lensed supernova to prove the Hubble tension is very real.| briankoberlein.com
Neutron star collisions might be able to prove that dark energy is just an illusion.| briankoberlein.com
NASA/ESAThe magnificent Whirlpool galaxy, also known as Messier 51.Everything in the Universe spins. Galaxies, planets, stars, and black holes all rotate, even if just a bit. It comes from the fact that the clouds of scattered gas and dust of the cosmos are never perfectly symmetrical. But the Universe as a whole does not rotate. Some objects spin one way, some another, but add them all up, and the total rotation is zero. At least that’s what we’ve thought. But a new study suggests that t...| Brian Koberlein