third planet from the sun in the Milky Way galaxy 

an imaginary straight line around which an object spins

the path followed by a moon, planet or artificial satellite as it travels around another body in space

the region of interplanetary space between the orbits of Mars and Jupiter in which most astroids are found

a ball of frozen gases, rock and dust that is about the size of a small town. Comets orbit the sun. Jets of gas and dust from comets from long tails that can be seen from earth

The configuration of stars esp. at one's birth

the sun together with the group of celestial bodies that are held by its attraction and revolve around it.

a fixed luminous point in the night sky that is a large, remote incandescent body like the sun.

Objects that light can't go through.

each of the four divisions of the year ( spring, summer, autumn, and winter) marked by particular patterns and daylight hours.