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Myth Busters

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Busting myths about our Solar System

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Questions 5

Answers

1
Myth 1: The moon, sun, and planets revolve around the Earth
Dr. Shoemaker improved ways scientists find meteors
Copernicus placed the sun at the center of the solar system
Ptolemy said planets move in a circular orbit around Earth
Galileo Galilei pointed his homemade telescope at the sky
2
Myth 5: Astronauts are weightless because there is no air in space.
The air is space doesn't have enough molecules
Earth's gravity is zero in outer space
Weightlessness occurs as a shuttle falls around Earth
It is a special effect that tkaes place in a movie studio
3
Myth 2: The planets move in circular orbits around the sun
Planets move in elliptical orbits
Planets come close to the sun, then swing back out
This myth is absolutely true
A planets orbit makes a figure eight
4
Myth 3: The Earth will one day fall into the sun
The moon will block our fall towards the sun
True statement!
Inertia and gravity keep the Earth in orbit around the sun
The center of Earth is filled with helium keeping us afloat
5
Myth 4: The moon changes shape every night, which is why is always looks different
This myth is true, the rock the moon is made of shrinks
It's made of cheese which melts and reforms nightly
The moon is like a little sun and grows and shrinks in power
The way the moon looks from Earth changes daily