Solar System pt. 1 vocabulary

Having to do with the sky or heavens

When the sun crosses the equator. The northern and southern hemispheres get an equal amount of sun

The orbiting of one heavenly body around another

A path example: the moon orbits the earth, the earth orbits the sun.

The natural satellite of the earth, visible (mostly at the night) by reflected light from the sun.

Half of the earth

The spinning of the Earth on its axis

The highest point

An imaginary circle around the middle of the earth halfway between the North Pole and the South Pole

Star around which the earth orbits

A celestial body such as earth and mars

The day in earth's orbit that marks the beginning of summer or winter

A curved path

The collection of 8 planets and their moons in orbit around the sun.

An imaginary line that goes from the North to South pole through the middle of the earth, about which earth rotates

Two lines that cross at right angles

The force of attraction between two objects with mass