Modern Astronomy

7. What we call space outside Earth’s atmosphere
8. An Italian scientist who advocated for heliocentrism and improved the telescope.
9. A planet that exists outside our Solar System.
12. A small rocky object that orbits the Sun, mainly between Mars and Jupiter.
13. The study of planets, stars, and space
15. The stretching of light from distant galaxies, proving that the universe is growing.
19. The astronomer that first stated that the universe was heliocentric.
22. An enormous explosion in the life cycle of a star.
24. When the Moon blocks the Sun's light
25. An astronomer who made detailed observations of the stars before the invention of the telescope.

1. A model of the solar system where the Sun is the center point.
2. The planet with the most moons
3. A large body orbiting the Sun and not clearing its path
4. The force that pulls objects together and keeps planets in orbit.
5. A pattern of stars recognized by a name and a story
6. Orbiting a body in space
10. A giant cloud of gas and dust in space, and it is a place where stars often begin to form.
11. The force that keeps planets in orbit
14. American physicist that proved the expansion of the universe
16. A device that allows astronomers to view afar objects in the universe.
17. A scientist that discovered the three laws of planetary motion.
18. A telescope in space, named after the astronomer that proved the universe was growing.
20. Earth's yearly path around the Sun
21. Earth's natural satellite
23. A planet that is tilted and light blue