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Discover our Solar System

Answers:

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Planets

Mercury, Venus, Earth, and Mars are known as the _________ planets.
Mercury, Venus, Earth, and Mars are known as the inner planets.

Which planet is closest to the Sun?
Mercury is the closest.

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Solar System

Sometimes Pluto's orbit is closer to the Sun than what planet?
For a brief time, Pluto's orbit is closer to the Sun than Neptune.

What do some astronomers call Pluto and Charon?
Some astronomers call Pluto and Charon a double planet because of Charon's size. Pluto has five moons; Charon is the largest.

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Saturn

With binoculars you can see the moons of what planet?
You can usually see at least two of Jupiter's moons with binoculars.

When you use binoculars, what planet appears as a crescent?
Venus appears as a crescent with binoculars.


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NASA For more information about our solar system, click on the NASA button.