Inner Planets
Terms
Outer Planets
Miscellaneous
Miscellaneous 2
100
closest to the sun
What is Mercury
100
Time it takes for the planet to orbit the sun (year)
What is revolution
100
A planet that has a deep, massive atmosphere, rather than a hard and rocky surface, is called
What is a gas giant
100
What is the current classification of Pluto?
What is a dwarf planet
100
What is one way that gas giants differ from the terrestrial planets?
What is their atmospheres are massive
200
Why are the inner planets called terrestrial planets
What is because they resemble Earth
200
Inner planets; smaller, denser, and rockier
What is terrestrial planets
200
This planet is known for its spectacular ring system
What is Saturn
200
What are comets also referred to as to scientists?
What is "dirty snowballs"
200
Why do we always see the same side of the moon from Earth?
What is because its period of rotation equals its period of revolution
300
What is the evidence that Mars once had liquid water?
What is features that resemble dry riverbeds
300
Time it takes to rotate once (day)
What is rotation
300
This planet had a storm system called the Great Dark Spot
What is Neptune
300
A meteoroid is called a ______________ only after it has struck Earth's surface.
What is meteorite
300
Why is it important to study smaller bodies such as comets or asteroids?
What is because they help us learn the history of our solar system
400
In what 3 ways do the inner planets differ from the outer planets?
What is because they are smaller, denser, and rockier
400
clockwise (rotation) spin of a planet or moon seen above North Pole
What is retrograde rotation
400
What is Jupiter's Great Red Spot?
What is a huge storm system
400
What is the most useful unit for measuring distances within the solar system?
What is an astronomical unit
400
Why don't solar and lunar eclipses occur every month?
What is because the moon's orbit is tilted
500
This inner planet spins with a retrograde rotation.
What is Venus
500
An astronomical (AU) is the average distance...
What is the average distance between Earth and the sun
500
What gases is Jupiter mostly composed of?
What is hydrogen and helium
500
Why do active planets generally have fewer impacts than bodies like the moon?
What is because geological activity removes their effects
500
Beyond what orbit are the comets of the Kuiper Belt found?
What is Neptune
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