Astronomy Crossword

3. 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.
4. A celestial body moving around the sun in orbit, consisting of a nucleus, a coma and a tail.
6. To move around an axis.
8. The universe as a whole.
9. A fiery streak in the sky that passes through the earth’s atmosphere.
11. The gaseous envelope surrounding the earth and other planets.
14. The moon, or relating to the moon.
15. A small rocky body that orbits the sun. There are many found between the orbits of Jupiter and Mars.
17. A cloud of gas and dust in outer space, seen in the night sky.
18. The great, unlimited area in which all material objects are located.
19. The force that attracts a body towards the center of the earth, or other bodies that have mass.

1. All existing matter and space considered as a whole. It is believed that the universe is at least 10 billion light years in diameter and contains many galaxies. It has been expanding for billions of years, since its creation, The Big Bang.
2. An instrument used to see distant objects appear nearer, often used to look at planets and stars outside of earth.
5. A mass of stone and metal that has successfully reached the earth from outer space.
7. The luminous bodies that appear in the sky at night.
9. A natural satellite that revolves around the earth monthly. It accompanies the earth for its yearly revolution around the sun.
10. Of, or relating to the sun.
12. The obscuration of the light of a satellite when it is blocked by a planet between it and the sun.
13. A hollow mark formed by a meteorite on impact.
16. A celestial body that orbits a star.