Can galaxies collide?

Sometimes even more than two galaxies can collide with each other. Although galaxies have a lot of starts, it is very unlikely that starts from both galaxies actually collide. This is because of all the space in between the stars. As the galaxies merge the start would just pass by each other.

How far away from Earth is alpheratz?

96.87 light years
Alpha Andromedae/Distance to Earth

What is Andromeda the god of?

Andromeda, in Greek mythology, beautiful daughter of King Cepheus and Queen Cassiope of Joppa in Palestine (called Ethiopia) and wife of Perseus. Cassiope offended the Nereids by boasting that Andromeda was more beautiful than they, so in revenge Poseidon sent a sea monster to devastate Cepheus’ kingdom.

How far can humans go?

The record for the farthest distance that humans have traveled goes to the all-American crew of famous Apollo 13 who were 400,171 kilometers (248,655 miles) away from Earth on April 14, 1970.