3 ms·

fast forward - 4 billion years- during the Andromeda & Milky Way galaxies merger - the nights sky is expected to look like this: https://planetary.s3.amazonaw

• vl 4y ago
  In 200 billion years all other galaxies will be beyond visibility horizon because of the space expansion (i.e. they will move away faster than light). Any new civilization then in unlikely to develop Big Bang theory.