What is Earth's nearest neighbor in space?

The Moon
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Related trivia

What is the tilt of the earth as it rotates on its axis?
23 Degrees
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Who was the third person to walk on the moon?
Pete Conrad
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What is Pluto's period of revolution around the sun?
247.7 Earth Years
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Who described the rings of Saturn as "ears of a teacup"?
Galileo
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Who first proposed the heliocentric model of the solar system?
Aristarcus
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How many astronauts manned each Apollo mission?
3
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What causes the moon to shine?
Reflected Sunlight
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What was the first probe to land on Venus?
Venera 9
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How long does it take Mars to rotate on its axis?
24 Hr 37 Min
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The path traveled by a body in space is known as what?
Orbit
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Who was the first African-American female astronaut?
Dr. Mae Jemison
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What is the constellation known as the Ram also called?
Aries
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What star, next to the Sun, is nearest to Earth?
Alpha Centauri
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What is a sudden violent explosion on the sun called?
Solar Flare
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What does the first "A" in NASA stand for?
Aeronautics
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How many planets are there in the Solar System (including Pluto)?
9
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Which is the planet with the greatest average density?
Earth
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What was the name of the first manned space vehicle?
Vostok 1
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Which is the slowest orbiting planet?
Pluto
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Which constellation represents a hunter with weapons?
Orion
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What is the "disk" that encircles a black hole called?
Accretion Disk
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What is the only moon in the solar system that has an atmosphere?
Titan
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What is the sixth planet from the sun?
Saturn
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What satellite series was known as "fellow traveler"?
Sputnik
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