Ryin's Astronomy Crossword Puzzle

4. matter that does not give off electromagnetic radiation but is quite abundant in the universe
5. all of space and everything in it
6. the observation that the further away a galaxy is, the faster it is moving away
8. what was the apparent change in position of an object when seen from different places
14. what is the small, dense remains of a high-mass star after supernova
16. what is the blue-white hot core of a star that is left behind after its outer layers have expanded and drifted out into space
17. one of the small asteroid-like bodies that formed the building blocks of the planets
19. the brightness of a star as seen from earth
22. what is the tendency of an object to resist any change in its motion
24. the distance that light travels in one year, about 9.5 million, million kilometers
25. the spinning motion of a planet on its axis
26. a streak of light in the sky produced by the burning of a meteoroid in Earths atmosphere

1. an enormously bright, distant galaxy with a giant black hole at its center
2. the brightness a star would have if it where at a standard distance from earth
3. is a huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
7. an object whose gravity is so strong that nothing, not even light, can escape
9. the movement of an object around another object
10. an imaginary pattern of stars in the sky
11. what was the brilliant explosion of a dying supergiant star
12. what is a model of the solar system in which the earth and the other planets revolve around the sun
13. the study of the moon, stars, and other objects in space
15. what was the initial explosion that resulted in the formation and expansion of the universe
18. the force that pulls objects torward each other
20. a contracting cloud of gas and dust with enough mass to form a star
21. a meteoroid that passes through the atmosphere and hits earths surface
23. a chunk of rock and dust in space