Weird Alien Worlds Beyond Our Solar System(full documentary)HD

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Have you ever wondered about planets in other solar systems? Have you ever thought about the possibility of life elsewhere in the Universe? For the first time in human history, we know that planets around other stars not only exist, but are common.

Alien Worlds focuses on the search and characterization of planets orbiting other stars (called extrasolar planets or “exoplanets”). Over the course of nine modules, we will learn some of the techniques used to discover the thousands of known exoplanets and will discuss how we can use basic scientific tools to characterize the sizes, masses, compositions, and atmospheres of exoplanets. We will also learn about the diversity of stars in the Galaxy to understand how stellar properties affect exoplanet detection techniques and influence planetary formation and habitability.

Black Holes And The Faith of Our Universe:http://youtu.be/SvaeuL8tamw

The Cosmos:Narrated By Morgan Freeman:http://youtu.be/s1f4AoMkN0g

Biggest Most Complex Machine in History:http://youtu.be/ttoahynG184

Lightning Sprites at the Edge of Space:http://youtu.be/pYVr2XH_1FU

Biggest Things in The Universe:http://youtu.be/qsc4kzYpmkQ

Can Mars be Colonized ?:http://youtu.be/f1Q9CPe1JIw

Wild and Destructive Weather:http://youtu.be/v5E06fg1y2Q

Hubble:Exploring the Universe:http://youtu.be/CW2d32Go7yk

Hubble:Exploring the Milkyway:http://youtu.be/iR-cnY-Rq7Q

Neil Armstrong the First Human on The Moon:http://youtu.be/yqQgrGQnYQM

Aftermath When The Earth Stops Spinning:http://youtu.be/xiqCowa0iQo
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