Astronomy Crossword

The planets Mercury, Venus, Earth, and Mars make up a planet called
an extended shell of icy objects that exist in the outermost reaches of the solar system
a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere
a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere
a very large star that is even brighter than a giant, often despite being relatively cool.
a small rocky body orbiting the sun
the moon at any time after new moon and before full moon
an eclipse in which the moon appears darkened as it passes into the earth's shadow.
a celestial body moving in an elliptical orbit around a star.
an explanation for the formation of solar systems
a celestial object consisting of a nucleus of ice and dust
a large, bowl-shaped cavity in the ground or on the surface of a planet or the moon
a spot or patch appearing from time to time on the sun's surface
a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky
are large, dark, basaltic plains on Earth's Moon
a system of two stars in which one star revolves around the other
rocky planet is a planet that is composed primarily of silicate rocks or metals.
a system of millions or billions of stars
A leap year is a calendar year containing one additional day
the continuous flow of charged particles from the sun which permeates the solar system.