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Crash Course Astronomy

Comets: Crash Course Astronomy #21

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

Aired 06/18/2015 | Rating NR

FromDigital Studios

Crash Course Astronomy

Comets: Crash Course Astronomy #21

Episode 21 | 11m 54s

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

Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into gas, forming the long tail, and also releases dust that forms a different tail. We've visited comets up close and found them to be lumpy, with vents in the surface that release the gas as ice sublimates.

Aired 06/18/2015 | Rating NR

FromDigital Studios

Problems with Closed Captions? Closed Captioning Feedback

Problems with Closed Captions? Closed Captioning Feedback

Crash Course Astronomy

Comets: Crash Course Astronomy #21

Episode 21 | 11m 54s

Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into gas, forming the long tail, and also releases dust that forms a different tail. We've visited comets up close and found them to be lumpy, with vents in the surface that release the gas as ice sublimates.

Aired 06/18/2015 | Rating NR

FromDigital Studios

Problems with Closed Captions? Closed Captioning Feedback

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