Eclipse of the sun – Astronomy
Eclipse of the sun, showing the corona Why do eclipses happen? An eclipse of the sun happens whenever the moon gets between the Earth and the sun, so that the moon blocks your view of [...]
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08, 2017
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08, 2017
Eclipse of the Moon – Space science
An eclipse of the moon. You can see the curved shadow of the Earth. What is an eclipse of the moon? An eclipse of the moon happens when the Earth gets between [...]
18
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
Venus project – the Morning Star
Sunset with Venus visible in the sky near the moon You can see the planet Venus for yourself, without a telescope. Venus is so bright that it's even brighter than most [...]
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08, 2017
Moon project – Astronomy activity
Crescent moon (thanks to Wade Clark at Skychasers). Can you see the rest of the moon, in shadow? Go outside and look at the moon at night. How much of the moon [...]
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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 [...]
17
08, 2017
What is a Comet? – Astronomy – Space
A comet in the night sky What are comets made of? Comets are balls of leftover rock and ice in space. They started out when a star exploded into a supernova. What is a supernova? More about [...]
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08, 2017
Brown dwarf stars – Space science
What a brown dwarf might look like up close What is a brown dwarf star? The very beginning of a star forming is a brown dwarf: a star that hasn't [...]
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08, 2017
Black holes – Space science – Physics
A starry sky with the Milky Way galaxy (thanks to Bernd Nies) - there are probably black holes in there somewhere! What is a black hole? A black hole is [...]
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08, 2017
Big bang – Space science – Physics
Inside stars (like our Sun) there are fusion reactions. Stars got started after the Big Bang. What was the Big Bang? The Big Bang was the very beginning of our [...]
