Across
- 2. The natural satellite of the Earth
- 3. Number of stars in the Big Dipper
- 5. A very small star
- 7. Greek name of the sun
- 11. A rapidly spinning neutron star that produces radio waves
- 14. the coldest planet
- 15. The spinning of the Earth on its axis
- 16. An instrument that makes distant objects look larger and closer
- 18. a small rocky body orbiting the sun,mostly in the area between Mars and Jupiter
- 20. A cloud of gas and dust in outer space
- 23. Another name for the inner planets that have rocky surfaces
- 25. The distance light travels in one year
- 27. eclipse when moon comes in between the sun and the earth
- 28. The explosion of a star
- 29. To see, watch, perceive or notice
Down
- 1. A mass of material with a long tail that travels around the Sun
- 4. the planet we live on
- 6. the hottest planet
- 8. The planet with rings around it
- 9. Accelerates a missile or launch vehicle during liftoff
- 10. An object with gravity so strong that nothing, not even light, can escape it
- 12. The planet with the largest number of moons
- 13. A group of stars with a definite pattern or arrangement
- 17. Another name for the North Star
- 19. A mysterious force that appears to be causing the expansion of the universe to accelerate
- 21. A scientist who studies stars and planets
- 22. A large group of stars, gas and dust
- 24. An enormously bright, distant galaxy with a giant black hole at its center
- 26. The force that attracts a body toward the center of the Earth
- 28. A fixed luminous point in the night sky
- 30. The star around which the Earth orbits