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14 Cards in this Set

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  • Back
Name the inner planets:
1
2
3
4
1. Mercury
2. Venus
3. Earth
4.Mars
Name the outer planets:
1
2
3
4
*5
1. Jupiter
2. Saturn
3. Uranus
4. Neptune
*5. Pluto
_____ is the second smallest planet and closest to the sun.
Mercury
______ is the speediest planet, traveling 30 miles per second.
Mercury
Mercury has the shortest year, which is _____ Earth days.
88 Earth days
A ____ is the amount of time it takes for the planet to make one rotate on its axis.
day
A ___ is the amount of time it takes for the planet to make one revolution around the sun.
year
___ is sometimes called the "morning star" or "evening star".
Venus
Why is Venus so bright in the sky?
Because of the dense reflective clouds surrounding the planet.
___ is the only planet on which a day is longer than a year.
Venus
____ rotates from east to west, making its sun rise in the West and set in the East.
Venus
__ and ___ are sometimes called the twin planets because they are about the same size.
Earth and Venus
Venus' atmosphere is more than ___% carbon dioxide.
95%
_____ is the hottest planet in the solar system.
Venus