Astronomy Crossword

2. The luminous bodies that appear in the sky at night.
4. A celestial body that orbits a star.
5. The great, unlimited area in which all material objects are located.
9. A fiery streak in the sky that passes through the earth’s atmosphere.
11. The moon, or relating to the moon.
14. The force that attracts a body towards the center of the earth, or other bodies that have mass.
16. A mass of stone and metal that has successfully reached the earth from outer space.
17. Of, or relating to the sun.
18. The obscuration of the light of a satellite when it is blocked by a planet between it and the sun.
19. The universe as a whole.
21. The gaseous envelope surrounding the earth and other planets.

1. A celestial body moving around the sun in orbit, consisting of a nucleus, a coma and a tail.
3. An instrument used to see distant objects appear nearer, often used to look at planets and stars outside of earth.
6. A small rocky body that orbits the sun. There are many found between the orbits of Jupiter and Mars.
7. A cloud of gas and dust in outer space, seen in the night sky.
8. All existing matter and space considered as a whole. It contains many galaxies.
10. The star that is the central body of the solar system, that the planets revolve around. The earth, as well as the other planets, receive our light and heat from it.
12. To move around an axis.
13. A natural satellite that revolves around the earth monthly. It accompanies the earth for its yearly revolution around the sun.
15. A hollow mark formed by a meteorite on impact.
20. The two times in the year when the sun reaches the highest or lowest point in the sky, marking the longest and shortest days of the year.