Crossword

2. This nebula illuminated the night sky for months in 1054 AD.
4. Th faint background glow in a radio telescope that led to a Nobel Prize
6. Father of modern observational astronomy, modern physics, modern science
8. Gravity crushes a star. This blows apart a star.
10. The model proposed by Copernicus is ____centric.
12. The lack of this is the reason that temperatures go to -280 F in Mercury.
13. Tycho Brahe's assistant who tried to convince Brahe about the model of the solar system
14. "... Then nearly fourteen billion years ago expansion started. Wait! ..."

1. The location of our solar system in the Milky Way Galaxy
3. As you look at distant objects in the universe from the Earth, you look ____ in time
5. It is believed that one of these are present at the center of every galaxy
7. What pulsars do.
9. Stars or meteors or planets or say pluto, without the L.
11. "Saturn can float on water".The logical conclusion is that it is _____. Also, take this one _____/Tachyons travel faster than ____.
14. The colour of very hot stars (celestial bodies indeed!)