Saturn – Planets – Astronomy
Saturn, as seen from space After Jupiter, Saturn is the next farthest planet out from our Sun. In some ways, Saturn is a lot like Jupiter - it's very cold, and it's mostly made [...]
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08, 2017
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08, 2017
What are planets? Astronomy – Space science
What are planets? The planet Venus from space Before there were planets For several hundred million years after the Big Bang, there were no planets, only stars. Planets couldn't form until the [...]
19
08, 2017
The Moon – Astronomy – Physics
Earth's moon (about 239,000 miles from Earth) (That's almost ten times as far as going all the way around the Earth) Where did the moon come from? Nobody knows exactly [...]
18
08, 2017
Jupiter – Planets – Astronomy
Jupiter from space Jupiter (named after the Roman god Jupiter) is the next planet further out from our Sun after Mars. But Jupiter is much, much further away from the Sun than Mars is. If [...]
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08, 2017
What is gravity? Physics
What is gravity? The Moon orbiting Earth (taken from space) - NASA What does gravity do? Gravity attracts all objects towards each other. Gravity has been around since the very [...]
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08, 2017
How old is the Earth? – Astronomy
Earth from space: How old is the Earth? When did the Earth form? Like Mercury and Venus and the other planets that go around the Sun, the Earth probably formed a little more than four and a [...]
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08, 2017
Earth, Sun, Moon dance – Astronomy project
An eclipse of the moon. You can see the curved shadow of the Earth. Watch an eclipse as an astronomy project! Dance the Earth and the Sun... To get a [...]
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08, 2017
What is centrifugal force? Physics definitions
Kids playing tetherball using centrifugal force Who first explained centrifugal force? When something is going straight, it always keeps going straight unless something else stops it or turns it. (The [...]
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08, 2017
What is a light-year? Physics definitions
Light takes years to reach us from these stars far away in space. What is a light-year? A light-year is the distance that light can travel in one year - [...]
