Astro Crossword

Three non-collinear points in space
The Term "Milky Way" is called/ All Nine Planets.
Frozen balls of Ice that fly across space.
A giant ball that is made from a rock substance that is also present in Saturn's "Rings"
A theory that the Sun as the center.
Rare gasses of stars.
A bright, luminous star.
Black spots on the Sun.
The black spots on the sun.
A celestial body that stars orbit around.
A group of stars that represent a image of some sort.
A planet that is Outside an Orbit.
A planet that is inside an Asteroid belt.
The theory that the earth was the center.
Used to show speed of an object.
a unit of measurement equal to 149.6 million kilometers, the mean distance from the center of the earth to the center of the sun.
Apparent retrograde motion is the apparent motion of a planet in a direction opposite to that of other bodies within its system, as observed from a particular vantage point.
The Increase or Decrease of Light or Sound.
The "Solar System" that all Nine of our planets are found.
A system of billions of stars and gasses.