Vocabulary
a collection of planets, moons, and other celestial bodies that orbit a more-massive body such as a star
What is the solar system?
the planet closest to the sun; slightly larger than our moon
What is Mercury?
this planet has the most visible rings
What is Saturn?
a rocky body, smaller than a planet, that orbits the sun
What is an asteroid?
the force of attraction between two bodies that have mass, even though the bodies may not be touching
gravity
the hottest planet; it has a retrograde rotation (it spins backwards)
What is Venus?
the Great Red Spot
What is Jupiter?
a piece of rocky material that enters Earth's atmosphere and lands on the surface
What is a meteorite?
bodies in the solar system orbiting the sun
heliocentric orbit
the "Goldilocks" planet; it has liquid water
What is Earth?
it spins on its side
the branch of science that studies stars, planets, and entire universe
What is astronomy?
the movement of one object as it turns or spins around a central point, or axis
known as the "Red Planet"
What is Mars?
the farthest planet out
What is Neptune?
the first person to step foot on the moon
Who is Neil Armstrong?
the movement of one object around a central object
revolution
all of these have two or fewer moons
What are the inner planets?
these are all made of gas
the outer planets
a mass of air that surrounds a planet
What is atmosphere?