Across
- 4. the force of attraction among all objects is called?
- 6. a mass of billions of stars clustered together in a group is known as?
- 7. any part of a meteoroid that reaches Earth's surface is called a?
- 8. any large, natural object that orbits a planet is known as?
- 9. an object with gravity so strong that even light cannot escape from it is a?
- 11. a group of stars that appears to form a pattern?
- 13. a small, rocky object that orbits around the sun in the inner and outer regions of the solar system.
- 14. the tendency of a moving object to stay in motion at the same speed and in the same direction.
- 15. What is a large body that orbits a star?
- 16. the apparent shift in an object's position when viewed from two locations.
- 19. a situation that occurs when Earth, the Sun, the Moon are in a straight line and Earth's shadow falls across the moon.
- 22. radiation that is left over from the beginning moments of the universe and is coming from all directions in space.
- 23. a meteoroid that enters Earth's atmosphere and burns with a streak of light is called a?
- 24. a device that collects light and magnifies images to make distant objects appear closer and larger.
- 25. a huge cloud of gas and dust in space that is the first stage of star formation is called?
- 27. The study of the universe is?
- 28. the 180 degree line of longitude; going west across this line adds 1 day to the date and going east subtracts 1 day.
- 31. one complete spin of an object such as Earth on its axis.
- 32. everything that exist, including Earth, the planets, the stars, and all of space.
Down
- 1. a star such as the Sun and the planets and other bodies that travel around it.
- 2. a vertical belt, about 15 degrees wide in longitude, in which all places have the same time.
- 3. a large, hot ball of gases, which is held together by gravity and gives off its own light.
- 5. the absorption lines that result in longer wavelengths from galaxies moving away from each other as space expends.
- 7. the medium sized spiral galaxy that is our home galaxy is?
- 10. a sphere of ice and rock that orbits the sun.
- 12. the distance that light travels in 1 year.
- 16. the shape of the Moon as seen in the night sky.
- 17. a blocking of the sun's light that happens when Earth passes through the moon's shadow is known as?
- 18. an exploded supergiant star is called a?
- 20. a band of colors made when white light is broken up.
- 21. one complete trip of an object orbiting another object such as earth orbiting the sun.
- 26. What is a depression in the moons surface formed by the impact of objects from space?
- 29. a rocky or metallic object that orbits the sun is?
- 30. the twice daily rise and fall of the water level along a shore, caused by the gravity of the moon and the sun is known as?