Across
- 3. time in years equal to the distance in light years from different stars
- 5. are rich in metal containing 2 to 3 present metal
- 7. when light passes by an object with greater gravity it gets deflected
- 9. are bright when in infrared
- 11. how we sort galaxies
- 12. hold more than a thousand galaxies
- 14. mass that is invisible and does not absorb light or emitt
- 15. contain clouds of dust and glasses and young star clusters
Down
- 1. is about 3300 ly
- 2. contains most of the stars, dust, and gasses in the galaxy
- 4. distort eachother
- 6. looks like a star but its spectra is completely different
- 8. a way for us to estimate distance
- 10. are bright when shown with radio wavelengths
- 13. its how we show that the universe is expanding