Earth, Sun, and Moon

4. determined by the sun
5. the planet where we live
6. the 4th planet from the sun
9. a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.
10. one of the ice giants in our solar system
11. the time taken by the earth to make one revolution around the sun.
13. a star showing a sudden large increase in brightness and then slowly returning to its original state over a few months.
14. the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution.
15. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
17. a group of stars forming a recognizable pattern that is traditionally named after its apparent form or identified with a mythological figure. Modern astronomers divide the sky into eighty-eight constellations with defined boundaries.
18. the 6th planet from the sun
19. this day was made up after the moon

1. one of the gas planets in our solar system
2. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
3. the curved sickle shape of the waxing or waning moon.
6. the natural satellite of earth
7. the star around which earth orbits
8. a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
12. the action of rotating around an axis or center.
16. the smallest planet in our solar system