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Comets: Crash Course Astronomy #21
11:55
YouTubeCrashCourse
Comets: Crash Course Astronomy #21
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 on the surface that release the gas as ...
已浏览 114.1万 次2015年6月18日
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NASA Spacecraft Observe Interstellar Comet 3I/ATLAS as It Approaches Mars
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The 3I/ATLAS comet update you've been waiting for! ☄️
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LIVE Tracking: Comet 3I/ATLAS — Interstellar Visitor with 7 Billion-Year-Old Water
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已浏览 4.6万 次2024年11月11日
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已浏览 47.4万 次2 个月之前
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LIVE Tracking: Comet 3I/ATLAS — Interstellar Visitor with 7 Billion-Year-Old Water
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已浏览 7.1万 次2022年8月13日
YouTubeScience with Thomas Stevenson
Comets for Kids | Learn about where Comets come from and how they are formed!
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已浏览 32.8万 次2021年3月25日
YouTubeLearn Bright
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已浏览 2.8万 次2023年1月11日
YouTubeABC News
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The Universe: Comets | History
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