Brad Snowder's Blog – February 2014 Archive (4)

Comets

Comet Hyakutake - photo by Brad Snowder Comets are essentially big dirty snowballs, the kind you throw at someone you really don't like. They are mostly made of muddy stinky ice, and bits of dust and little rocks.



Comets are about the size of cities and towns, sort of like frozen lakes in space. We've had a few that were the size of big cities like L.A. and one that was even bigger. But the majority are…

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Added by Brad Snowder on February 22, 2014 at 8:05pm — 2 Comments

Bode Titius Rule

Johann Bode and Johann Titius were best buds and they made a rule about planets.



Hubble Bubble Trouble


Okay first of all let's call it what it is. It's not really a rule. And it's not a law. It's not even a theory. It's more of a thingy. It's the Bode Titius Thingy.



It all started in the late 1700's when…
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Added by Brad Snowder on February 16, 2014 at 11:42am — 2 Comments

Black Holes

198838_568935179795155_1811269485_n A black hole is a region of space where the force of gravity is so intense that it is best pictured as having curvy criss-crossing lines on it. Nothing can escape, not even snarky comments.

If you've ever thrown a baseball into the air, you probably noticed it quickly returned to the Earth. The harder you throw it, the…

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Added by Brad Snowder on February 9, 2014 at 10:15am — 8 Comments

Big Bang

"In the beginning there was nothing at all. To the north and south of the nothingness lay regions of fire and frost." ~ Snorri Sturluson 1220 CE

 

Snorri sounds like a real hoot. If the 13th century Vikings had a dictionary, and looked up the word "hoot" I bet Snorri's image…

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Added by Brad Snowder on February 1, 2014 at 9:06pm — 3 Comments

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