Solar system vocabulary
An invisible force that pulls objects toward a planet or star
Gravity
Closest planet from the sun
Mercury
Fifth planet from the sun
Jupiter
How many moon phases are there?
Eight
What's our galaxy called?
Milky Way
The path an object follows around another object, such as a star
Orbit
Third planet from the sun
Earth
Furthest planet from the sun
Neptune
How many days does the moon cycle take?
29.5 days
What are the gas giants rings made out of?
Ice and dust
An imaginary line in which a body rotates
Axis
Second planet from the sun
Venus
Saturn
What are the "holes" in the moon called?
Who was the first man to walk the moon?
Neil Armstrong
When an object spins or turns around a central point
Rotation
Mars
Seventh planet from the sun
Uranus
Solar eclipse
What dwarf planet was once considered a planet?
Pluto
an object's movement in a circular or elliptical path around another larger body, like a planet orbiting a star
Revolution
What are the inner planets made of?
Rock and Metal
What are the outer planets made of?
Big clouds of gas and liquid
How many moons does Jupiter have?
95
What do stars give off?
Heat and Light