Astronomy Crossword

a large space rock that orbits the sun
the path of one object in space around another object
the study of stars, planets, and space
a large object that orbits a star
an average size star at the center of our solar system
planet whose orbit lies outside the asteroid belt (Jupiter, Saturn, Uranus, or Neptune)
the regular changes in the way the moon looks from Earth
an object in space that produces its own heat and light
the sun and all the objects that move around it
the spinning of a planet or moon on its axis
a tool for observing distant objects
a planet whose orbit lies within the asteroid belt (Mercury, Venus, Earth, or Mars)
a mountain size chunk of ice and dust that orbits the sun
one complete trip of a planet around the sun
a group of stars that seems to form a picture or design in the sky
a dark shape that appears on a surface when someone or something moves between the surface and a source of light
the imaginary line around which Earth rotates