Beyond Space

1. the Dutch astronomer named after a large spherical cloud around the orbits of the planets.
3. the farthest distance from a planet to the sun.
5. asteroids that cross but spend most of their time outside Earth’s orbit.
6. solid center of the comet made of ice, frozen gas, rocks, and dust.
7. also called miniature planets or planetoids and are rocky celestial bodies that vary in brightness, size, shape, and composition.
8. small chunks of outer space debris that are attracted by earth’s gravity.
10. a meteor shower that comes from the debris of the asteroid 2003EH1.
11. the constellation the meteor shower leonids originate from.
14. a region where long-period comets originate.
15. asteroids located near Jupiter’s orbit.
18. a celestial event in which several meteors enter Earth’s atmosphere at great speeds on parallel trajectories.
20. referred to as “dirty snowballs,” and are found to be mixtures of ice and dust.
21. remnants of a meteor that survives the initial collision against the Earth.
22. asteroids that cross but spend most of their time in Earth’s orbit.

2. a meteor shower that happens every 75 to 76 years.
4. the amount of light reflects by a planet or any celestial object.
5. the main belt where asteroids are situated in that extends from 255 to 600 kilometers between Mars and Jupiter.
9. a meteor shower that comes from the debris of an asteroid named 3200 Phaeton.
12. comets that complete their orbits in 200 years or less.
13. the closest distance from a planet to the sun.
16. the astronomer named after the Kuiper Belt.
17. a long visible, glowing tail that forms when the comet is near the sun.
19. a bright streak of life in the sky that appears when a meteoroid enters the Earth’s atmosphere.
22. asteroids that approach but do not cross Earth’s orbit.