Across
- 2. Massive ball of gas that generates light through nuclear fusion.
- 4. A system of stars, gas, and dust bound together by gravity.
- 7. Either of the two times in the year when the sun is at its greatest distance from the celestial equator. Xena gave Gabrielle a toy sheep during this holiday.
- 8. A star with a mass at least ten times that of the sun.
- 10. Ur girlfriend. Affect tides.
- 11. First artificial satellite launched into orbit by the Soviet Union.
- 13. A planet that orbits a star outside our solar system.
- 14. Rotating neutron star that emits beams of radiation.
- 18. A spherical shell of icy objects surrounding our solar system.
- 21. A group of stars forming a recognizable pattern in the sky.
- 23. A region in space where gravity is so strong that not even light can escape.
- 25. A shooting star that burns up upon entering Earth's atmosphere.
- 28. Small rocky body orbiting the sun, mostly found in a belt between Mars and Jupiter.
- 33. A cloud of gas and dust in space; some form from exploded stars.
- 34. A person trained to travel in space.
- 36. A celestial body orbiting a star, not emitting its own light.
- 38. The universe as a whole. Also a cult in Assassin’s Creed Odyssey (although, spelled differently).
- 39. A unit of astronomical distance equal to about 5.88 trillion miles.
Down
- 1. A vehicle used for travel in outer space.
- 3. An instrument that aids in observing distant objects in space.
- 5. An unmanned spacecraft designed to collect data about its surroundings.
- 6. An artificial object placed into orbit. Used for communication.
- 9. The scientific study of celestial objects and the universe.
- 12. Famous astronomer who made groundbreaking observations of space. Featured in a song from Queen.
- 15. Extremely luminous and active galactic nucleus.
- 16. Russian equivalent of a person who travels to space.
- 17. A vehicle used to propel spacecraft into orbit.
- 19. A star showing a sudden increase in brightness and then slowly fading.
- 20. Nearest major galaxy to the Milky Way.
- 22. An icy celestial body with a glowing tail when near the sun.
- 23. The rapid expansion of matter marking the origin of the universe.
- 24. When one celestial body obscures another.
- 26. When day and night are approximately equal in length. March and September.
- 27. A planet and Gaga song.
- 29. Pertaining to the sun. Often seen in conjunction with 'system.'
- 30. Light display caused by solar wind interacting with Earth's magnetic field. Top 5 favorite names of mine.
- 31. The force that attracts a body toward the center of the earth or any other physical body.
- 32. Path taken by a planet or satellite around another body.
- 35. Line at which the earth's surface and the sky appear to meet.
- 37. Red Planet.