Download The Seven Planets of our Solar System

The Seven Planets
By: Paige Boyd
Mercury
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Mercury’s Equatorial Diameter in
kilometers is 4,880
The Average Distance to the Sun in
AU’s is 0.39
The Period of Rotation in Earth days is
59
The Period of Revolution in Earth
years is 0.24
And Mercury has no moons
Facts:
1: Smallest of the Terrestrial Planets
2: Is Geologically Dead
3: Is a dense planet with a very large
iron core
4: Closest Planet to the Sun
5: Fastest-moving planet
Venus
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Venus’s Equatorial Diameter in
kilometers is 12,104
The Average Distance to the Sun in
AU’s is 0.72
The Period of Rotation in Earth days is
243
The Period of Revolution in Earth
years is 0.62
And Venus has no moons
Facts:
1: Called the ‘evening star’ or the
‘morning star’
2: With exception of the moon it’s the
brightest thing in the Earth’s night sky.
3: Rotation rate is very slow
4: 243 days just to rotate!
5: Venus’s day is longer than it’s year
Mars
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Mars’s Equatorial Diameter in
kilometers is 6,794
The Average Distance to the Sun in
AU’s is 1.52
The Period of Rotation in Earth days is
1.03
The Period of Revolution in Earth
years is 1.88
Number of moons is 2!
Facts:
1: Most Earthlike of all the planets
2: Called the ‘red planet’
3: The surface of Mars is very old
4: It once had many volcanic eruptions
5: Olympus Mons on Mars is the
largest volcano in the Solar System
Jupiter
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Jupiter’s Equatorial Diameter in
kilometers is 142,984
The Average Distance to the Sun in
AU’s is 5.20
The Period of Rotation in Earth days is
0.41
The Period of Revolution in Earth
years is 11.86
The number of moons is 50+
Facts:
1: First planet beyond the asteroid belt
2: Named for the ruler of the Roman
gods
3: Is large enough to hold 1,300
Earth’s
4: Largest and most massive planet in
the Solar System
Composed mainly of Hydrogen and
Helium
Saturn
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Saturn’s Equatorial Diameter in
kilometers is 120,536
The Average Distance to the Sun in
AU’s is 9.54
The Period of Rotation in Earth days is
0.44
The Period of Revolution in Earth
years is 29.46
Number if moons is 30+
Facts:
1: Second Largest planet in our Solar
System
2: Rings are the largest and most
visible from Earth
3: Rings are made of ice and icecoated rock
4: Rings are about 274,000 km in
diameter
5: Rings are only 10 meters thick
Uranus
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Uranus’s Equatorial Diameter is
51,118
The Average distance to the Sun in
AU’s is 19.19
The Period of Rotation in Earth days is
0.72
The Period of Revolution in Earth
years is 84.10
Number of moons 20+
Facts:
1: Since its so far from the sun its very
cold
2: Atmosphere is mostly Hydrogen and
Helium
3: Atmosphere also has large amount
of Methane
4: Distinct blue-green appearance
5: Lies nearly on its side
Neptune
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Neptune’s Equatorial Diameter in
kilometers is 49,528
The Average Distance to the Sun in
AU’s is 30.06
The Period of Rotation in Earth days is
0.67
The Period of Revolution in Earth
years is 164.86
Number of moons is 8+
Facts:
1: About the same size as Uranus
2: Has clearly visible cloud patterns
3: Clouds are made of methane ice
crystals
4: Bluish color comes from the
methane in the atmosphere
5: Has Large storms in its atmosphere