Beyond Space
Across
- 3. the constellation the meteor shower leonids originate from.
- 4. referred to as “dirty snowballs,” and are found to be mixtures of ice and dust.
- 7. asteroids that approach but do not cross Earth’s orbit.
- 12. comets that complete their orbits in 200 years or less.
- 16. small chunks of outer space debris that are attracted by earth’s gravity.
- 18. a meteor shower that happens every 75 to 76 years.
- 19. the farthest distance from a planet to the sun.
- 22. also called miniature planets or planetoids and are rocky celestial bodies that vary in brightness, size, shape, and composition.
- 24. the astronomer named after the Kuiper Belt.
- 25. the amount of light reflects by a planet or any celestial object.
Down
- 1. asteroids that cross but spend most of their time in Earth’s orbit.
- 2. asteroids that are relatively close to earth.
- 5. a celestial event in which several meteors enter Earth’s atmosphere at great speeds on parallel trajectories.
- 6. a meteor shower that comes from the debris of an asteroid named 3200 Phaeton.
- 8. remnants of a meteor that survives the initial collision against the Earth.
- 9. the closest distance from a planet to the sun.
- 10. asteroids located near Jupiter’s orbit.
- 11. asteroids that cross but spend most of their time outside Earth’s orbit.
- 13. a meteor shower that comes from the debris of the asteroid 2003EH1.
- 14. solid center of the comet made of ice, frozen gas, rocks, and dust.
- 15. a long visible, glowing tail that forms when the comet is near the sun.
- 17. a region where long-period comets originate.
- 20. the main belt where asteroids are situated in that extends from 255 to 600 kilometers between Mars and Jupiter.
- 21. the Dutch astronomer named after a large spherical cloud around the orbits of the planets.
- 23. a bright streak of life in the sky that appears when a meteoroid enters the Earth’s atmosphere.