Astronomy

2. The initial explosion that resulted in the formation and explosion of the universe
7. The movement of an object around another object
8. The brilliant explosion at a dying super giant star
9. A stream of electrically charged particles that emanate from the sun's corona
10. A model of the universe in which Earth is at the center of the revolving planets and stars
15. The tendency of an object to resist any change in its motion
16. The study of the moon, stars, and other objects in space
18. The outer most layer of the sun's interior
20. A model at the solar system in which Earth and the other planets revolve around the sun
21. A dark area of gas on the sun's surface that occurs when the loop in sunspot regions suddenly connect
23. The force that pull objects toward each other
24. An enormously bright, distant galaxy with a giant black hole in its center

1. All of space and everything in it
3. An object whose gravity is so strong that nothing, not even light, can escape
4. An imaginary pattern in the sky
5. A huge, reddish loop of gas that protrudes from the sun's surface linking parts of sunspot regions
6. The spinning motion of a planet on its axis
11. The blue-whitish core of a star that is left behind after its other layers have expanded and drifted out into space
12. One of the small asteroid-like bodies that formed the building blocks of the planets
13. Matter that does not give off electromagnetic radiation but is quite abundant in the universe
14. The small, dense remains of a high-mass star after a supernova
17. The central region of the sun, where nuclear fusion takes place
19. A contracting cloud of gas and dust with enough mass to form a star
22. A large cloud of gas and dust in space
23. A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity