If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Exploration Questions: Galaxies

1. What will happen to the Milky Way and Andromeda Galaxies over the next five to ten billion years?
2. Are galaxies spread evenly throughout the universe? What explains where galaxies form? Use this image of the “cosmic web” of matter in the universe to explain your answer.
© American Museum of Natural History
3. The South African Large Telescope has a large mosaic of mirrors that is 10 X 11 meters. Why would a telescope need such a large mirror?

Want to join the conversation?