Across
- 3. all the planets and galaxies all together
- 8. known as Messier 31, M31, or NGC 224
- 9. is a large unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometers, or 5.88 trillion miles
- 10. a dense central bulge lies at the centre of a rotating disc, which features a spiral structure that originates at the bulge.
Down
- 1. a group of stars
- 2. this galaxy a type of galaxy with an approximately ellipsoidal shape and a smooth, nearly featureless image
- 4. a galaxy that does not have a distinct Regular shape,
- 5. this galaxy is shaped like a fried egg
- 6. a systems of star and bound together with gravity
- 7. way the galaxy we live in
