this is the smallest planet in the solar system
What is mercury?
also closest to the sun
This planet is known for its beautiful rings
what is saturn?
this is a rocky body that orbits our sun in a belt
what is an asteroid
this is one of the two planets with our moons
what is mercury or venus
this is the area around the sun where liquid water can exist
what is the habitable zone
what gas makes neptune and uranus blue
what is methane
when these icy objects enter the inner solar system they leave a large tail that we see in our sky
what is a comet
this is how the planets formed
what is accretion
this is the effect that causes venus to be so warm
what is the greenhouse effect?
thick CO2 atmosphere lets very little heat escape
what is hydrogen
This is the region of space beyond neptune
what is the kuiper belt or oort cloud?
this is the reason pluto is not considered a planet
what is a clear orbit?
this is one piece of evidence mars once had water
Hematite (blueberry rocks)
Ice at the poles
glaciers under the dust
this is what causes liquid water to exist far outside of the habitable zone
what is jupiter's gravity
planet gets stretched and squashed by the high gravity causing friction and heat
Titan has this liquid on its surface
what is a methane?
what is Ganymede