The Solar System Crossword

the envelope of gases surrounding the earth or another planet
a large planet of relatively low density consisting predominantly of hydrogen and helium, such as Jupiter, Saturn, Uranus, or Neptune
the force that attracts a body toward the center of the earth, or toward any other physical body having mass
a planet whose orbit lies within the asteroid belt, i.e., Mercury, Venus, Earth, or Mars
a planet whose orbit lies outside the asteroid belt, i.e., Jupiter, Saturn, Uranus, or Neptune
the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution
a celestial body moving in an elliptical orbit around a star
a planet that is composed primarily of silicate rocks or metals
the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets
the time taken by a planet to make one revolution around the sun
a small planetary body orbiting the sun
a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such
a large, usually reddish gaseous vortex on the surface of Jupiter
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
a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light
a small rocky body orbiting the sun
a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere