Cross-gazing

3. An imaginary pattern of stars in the sky.
4. The fuzzy outer layer of a comet.
6. A huge, reddish loop of gas that protrudes from the sun's surface, linking parts of sunspot regions.
9. The movement of an object around another object.
10. The blue-white hot core of a star that is left behind after its outer layers have expanded and drifted out into space.
11. The solid inner core of a comet.
13. A loose collection of ice, dust, and small rocky particles, typically with a long, narrow orbit.
14. A large cloud of gas and dust, spread out in an immense volume.
15. The force that pulls objects towards each other.
16. An object whose gravity is so strong that nothing, can escape
17. The apparent change in position of an object when seen from different places.
20. A contracting cloud of gas and dust with enough mass to form a star.
23. The small, dense remains of a high-mass star after a supernova.
25. A huge group of a single stars, star systems, star clusters, dusts, and gas bound together by gravity.

1. A stream of electronically charged particles that emanate from the sun's corona.
2. All of space and everything in it.
5. The tendency of an object to resist any change in its motion.
7. A dark area of gas on the sun's surface that is cooler than surrounding gases.
8. One of the small asteroid-like bodies that formed the building blocks of the planets.
12. The brilliant explosion of a dying supergiant star.
18. The study of moons, stars, and other object in space.
19. Rocky objects revoloving around the sun that are too small and numerous to be considered a planet.
21. The spinning motion of a planet on its axis.
22. A small, old, relatively coolo star.
24. An artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communicate.