Formation of our Solar System Crossword

The study of objects and matter outside the earth's atmosphere and of their physical and chemical properties
A celestial body that orbits the sun and has a spherical shape but is not large enough to disturb other objects from its orbit
The gravitational attraction of the mass of the earth, the moon, or a planet for bodies at or near its surface
Referred to or measured from the sun's center or appearing as if seen from it; having or relating to the sun as center
A band of small celestial bodies beyond the orbit of Neptune from which many short-period comets are believed to originate
The earth's natural satellite that shines by the sun's reflected light
A tide of minimum range at the first and third quarters of the moon
A hypothesis in astronomy; the solar system has evolved from a hot gaseous nebula
A path described by one body in its revolution about another (as by the earth about the sun or by electron about an atomic nucleus
A small body resembling a planet
The sun together with the group of celestial bodies that are held by its attraction and revolve around it
A tide of greater-than-average range around the times of new moon and full moon
A self-luminous gaseous spheroidal celestial body of great mass which produces energy by means of nuclear fusion reactions
The luminous celestial body around which the earth and other planets revolve, from which they receive heat and light from
The alternate rising and falling of the surface of the ocean and of water bodies