Lesson Three Flashcards
0
Q
Mercury
A
Closest planet to the sun
Smallest planet
Has a thin atmosphere
Extreme temperatures
1
Q
The sun
A
Center of the solar system
Has almost all the mass in our solar system
Medium sized star
Made of gas
2
Q
Venus
A
Closest planet to earth About the same size as earth Thick, hot atmosphere Bright Rotates in the opposite direction from all the other planets
3
Q
Earth
A
Third planet from the sun 70% covered by water Orbits the sun every 365 1/4 days One rotation every 24 hours One moon
4
Q
Mars
A
Fourth planet from the sun Cold Once had liquid Two moons (Phobos and Deimos) Earth has been hit by "Martian meteorites"
5
Q
Jupiter
A
Fifth planet from the sun Largest planet in the solar system Mostly made of gas The big red spot More then 38 moons, possibly 63
6
Q
Saturn
A
Sixth planet from the sun Gas giant Over 1000 rings Quick rotation Powerful winds and storms on Saturns surface Saturn has at least thirty moons
7
Q
Uranus
A
Seventh planet from the sun Gas planet Rotates on its side Strong winds 373 mph Twenty one moons.
8
Q
Neptune
A
Planet farthest from the sun Gas planet Strongest winds of all the planets Dark spots probably storms One of Neptune's moons orbits in opposite direction
9
Q
Pluto
A
Too small to be considered a planet
Smaller then our moon
Is only twice as big as its moon
Might have been one of Neptune’s moons
10
Q
The moon
A
Closet neighbor
1/4 size of the earth
Orbits the earth in 29.5 days
Only one side of the moon ever faces the earth
