Across
- 4. Our home g____y
- 8. The solar system has eight ________
- 9. is the force by which a planet or other body draws objects toward its center
- 10. a giant cloud of dust and gas in space
- 12. The ISS _____ around the Earth every 90 minutes
- 13. the only plant known to sustain life
- 15. is an energy carrier that can be used to store, move, and deliver energy produced from other sources
- 17. a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.Kuiperbelt
- 20. A station in space that has 7 people on board
- 21. _______ 1 is a space probe launched by NASA
Down
- 1. A _______ is a system of stars
- 2. A group of stars that make up things like Astrology
- 3. is a triple star system in the southern constellation of Centaurus
- 5. A ______ is the distance light travels in one Earth year
- 6. also called Messier 31 or M31, is the nearest major galaxy to the Milky Way
- 7. A telescope in space that was launched in April 4, 1990
- 11. A ________ is a region of spacetime where gravity is so strong that nothing, including light and other electromagnetic waves, is capable of possessing enough energy to escape it.
- 14. A bright object that provides light
- 16. It is the total of all the protons, neutrons, and electrons within an object
- 18. Brightest star in the northwest hemesphire
- 19. Sends and rescieves signals