Solar system vocabulary Flashcards
0
Q
Astronomical
A
Equals the average distance between earth and the sun.
1
Q
Solar system
A
Our solar system consist of the sun, the planets, their moons, and a variety of smaller objects.
2
Q
Planet
A
A planet must be round, orbit the sun, and have cleared out the region of the solar system along its orbit
3
Q
Dwarf planet
A
A dwarf is an object that orbits the sun and has enough gravity to be spherical
4
Q
Asteroids
A
One of the rocking objects revolving around the sun that are too small and numerous to be considered planets
5
Q
Comets
A
A loose collection of ice and dusts that orbits the sun, typically in a long, narrow orbit
6
Q
Planetesimal
A
One of the small astroid-like bodies that formed the building blocks of planets