Solar System

Question 0

Astronomical Unit

Answer 0

A unit of distance equal to the average distance between Earth and the sun, about 150 million kilometers.

Question 1

Solar System

Answer 1

The system consisting of the sun and the planets and other objects that revolve around it.

Question 2

Planet

Answer 2

An object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit. (Does not share the area of its orbit with with another object) circ

Question 3

Dwarf Planet

Answer 3

An object that orbits the sun and is spherical, but has not cleared the area of its orbit. (Other objects share its orbit)

Question 4

Asteroid

Answer 4

One of the rocky objects revolving around the sun that are too small and numerous to be considered planets. (Small, mostly rocky bodies that orbit the sun)

Question 5

Comets

Answer 5

A loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit.

Question 6

Planetesimal

Answer 6

One of the small asteroid-like bodies that formed the building blocks of the planets.