Frequently Asked Questions
Questions about: Galaxies
- What is a galaxy?
- What is the name of our galaxy?
- Where is the Earth in the Milky Way galaxy?
- What is the closest galaxy like our own, and how far away is it?
- What are the parts of a galaxy?
- How are galaxies classified?
- Galaxy names are identified by a group of letters and numbers. What do they stand for?
- Why do astronomers study galaxies in ultraviolet light?
- What are colliding galaxies?
- How do astronomers measure the distances to galaxies?
- Who is Edwin P. Hubble and what has he to do with galaxies?