Filthy
Contaminated
Defiled
Cruddy
Bedraggled
100
What is the distance from the Earth to the sun called?
An AU
100
What are the inner planets called?
Terrestrial planets
100
What is the largest planet in solar system?
Jupiter
100
What is the moon of Earth called?
Luna
100
What is the most volcanic moon known?
Io
200
What is the distance that light travels in a minute?
A light-minute.
200
How long is Mercury's year?
88 Earth days
200
Which planet is known for its ring system?
Saturn
200
What is the difference between a moon and a satellite?
Satellites can be artificial, and moons cannot.
200
How many tails does a comet have?
2 tails
300
Name the inner planets in order from the sun.
Mercury, Venus, Earth, Mars
300
What kind of rotation does Earth have?
Prograde rotation
300
What is the giant storm on Jupiter called?
The Great Red Spot.
300
How many phases does the moon have?
8 phases
300
What is a meteoroid called when it strikes Earth?
Meteorite
400
Name the outer planets in order from the asteroid belt.
Jupiter, Saturn, Uranus, Neptune
400
What makes Venus's atmosphere so hot?
Greenhouse effect
400
What is the giant storm called on Neptune that appears and disappears at times?
The Great Dark Spot
400
What is an eclipse?
when the shadow of one celestial body falls over another
400
What does the Torino Scale measure?
The hazard level of objects that are heading toward Earth
500
How far is one AU?
150,000,000 km
500
What is the density of Earth?
5.52 g/cm3 (3 is an exponent)
500
Why is Uranus very different from all of the other planets?
It has a tilted rotation of almost 90 degrees.
500
How many moons does Pluto have?
one moon
500
Name the 2 places that comets can come from.
The Oort Cloud and the Kuiper Belt.
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