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Uranus & Neptune: Crash Course Astronomy #19

WeÕre rounding out our planetary tour with ice giants Uranus and Neptune.

Asteroids: Crash Course Astronomy #20

Now that weÕve finished our tour of the planets, weÕre headed back to the asteroid belt.

Comets: Crash Course Astronomy #21

Comets are chunks of ice and rock that orbit the Sun.

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