planets 1
known as the red planet
Mars
The center of our solar system
the sun
How long does it take for the earth to revolve around the sun?
365 days
the study of space
Astronomy
What separates the inner and outer planets?
asteroid belt
a group of stars in a pattern
constellation
How many earths can fit inside the sun?
1 million
One who studies space and the objects in space
Astronomer
The planet that rotates on its side.
Uranus
type of surface of the inner planets
terrestrial / solid / rocky
Explain why the sun seems bigger than the other stars.
It is the closest star to earth.
How long does it take earth to make one rotation on its axis?
24 hours
the path an object takes around another object
orbit
type of surface of the outer planets
gas
What are stars made of?
gases
Earth centered solar system theory
geocentric
one trip around another object
revolution
These are the gas giants.
What are Jupiter, Saturn, Uranus, and Neptune?
Was once a planet but is now known as a dwarf planet.
Pluto
Explain why some constellations are only seen during certain seasons.
The earth's rotation on its axis
Sun centered solar system theory
heliocentric
an object spins on an axis
rotation