NASA Shares Fascinating View of Three Galaxies And Explains Why They Are Unique

https://ift.tt/eA8V8J NASA shared photos of three galaxies to show how they change with time. Galaxies are not static, and their morphologies (and therefore their classifications) vary throughout their lifetimes, NASA explained in a separate note published on its website. Gadgets 360 https://ift.tt/2yDpjSA