Скачать или смотреть Asteroids, Comets, & Meteors: What's the Difference?

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In 1801 Giuseppe Piazzi spotted a bright spot that looked like a star while looking between Mars and Jupiter. They called it an asteroid which is Greek for “star like.”

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Previous Series:

The Violent History And Cyber Future Of War:    • Is A World Without War Possible?  

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Sources:

Infographic: What’s The Difference Between A Comet, Asteroid, And Meteor?:
http://www.universetoday.com/100075/i...

“With all the various space rocks flying by and into Earth last Friday, perhaps you’ve been wondering about the correct terminology, since a rock from space has different names depending on what it is made of and where it is."

What Are Asteroids Made Of?:
http://www.universetoday.com/37425/wh...

“What are asteroids made of? Asteroids are made mostly of rock — with some composed of clay and silicate — and different metals, mostly nickel and iron. But other materials have been found in asteroids, as well."

FAQ: What Is The Difference Between A Meteor, A Meteorite, An Asteroid And A Comet?:
http://hubblesite.org/reference_desk/...

“Most of us probably have seen meteors or shooting stars. A meteor is the flash of light that we see in the night sky when a small chunk of interplanetary debris burns up as it passes through our atmosphere. "Meteor" refers to the flash of light caused by the debris, not the debris itself."

What Are Asteroids And Where Do They Come From?:
http://www.skyandtelescope.com/astron...

“Asteroids are rocky objects primarily found in the asteroid belt, a region of the solar system that lies more than 2 ½ times as far from the Sun as Earth does, between the orbits of Mars and Jupiter."

Asteroids: Fun Facts And Information About Asteroids:
http://www.space.com/51-asteroids-for...

“Asteroids are small, airless rocky worlds revolving around the sun that are too small to be called planets. They are also known as planetoids or minor planets."

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TestTube Plus is built for enthusiastic science fans seeking out comprehensive conversations on the geeky topics they love. Host Trace Dominguez digs beyond the usual scope to deliver details, developments and opinions on advanced topics like AI, string theory and Mars exploration. TestTube Plus is also offered as an audio podcast on iTunes.

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