What is an Andromeda?
What is an Andromeda? The Andromeda Galaxy (IPA: /ænˈdrɒmɪdə/), also known as Messier 31, M31, or NGC 224 and originally the Andromeda Nebula (see below), is a barred spiral galaxy approximately 2.5 million light-years (770 kiloparsecs) from Earth and the nearest large galaxy to the Milky Way. Does Andromeda still exist? Four billion years from now, our galaxy, the Milky Way, will collide with our large spiraled neighbor, Andromeda. The galaxies as we know them will not survive. Currently, Andromeda and the Milky Way are about 2.5 million light-years apart. ... Why is it called Andromeda? Andromeda is named after...