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
相关产品
Comet Art
Best Comet Viewers 2023
Comet Viewing Binoculars
#Comet Facts
What is a Comet? | Learn about the Composition and Facts about Comets| Lesson Boosters Science
What is a Comet? | Learn about the Composition and Facts about Comets| Lesson Boosters Science
YouTube2023年8月13日
Comets for Kids | Learn about where Comets come from and how they are formed!
Comets for Kids | Learn about where Comets come from and how they are formed!
YouTube2021年3月25日
热门视频
NASA Spacecraft Observe Interstellar Comet 3I/ATLAS as It Approaches Mars
1:16
NASA Spacecraft Observe Interstellar Comet 3I/ATLAS as It Approaches Mars
YouTubeNASA Jet Propulsion
已浏览 47.4万 次2 个月之前
The 3I/ATLAS comet update you've been waiting for! ☄️
0:58
The 3I/ATLAS comet update you've been waiting for! ☄️
YouTubeEuropean Space Agency, ES
已浏览 176.4万 次2 个月之前
LIVE Tracking: Comet 3I/ATLAS — Interstellar Visitor with 7 Billion-Year-Old Water
LIVE Tracking: Comet 3I/ATLAS — Interstellar Visitor with 7 Billion-Year-Old Water
YouTubeWN Space
已浏览 26.7万 次4 个月之前
Comet Observation
3I/ATLAS New Update: ISRO Observes Rare Interstellar Comet with Mount Abu Telescope! | Originals
1:01
3I/ATLAS New Update: ISRO Observes Rare Interstellar Comet with Mount Abu Telescope! | Originals
YouTubeWION
已浏览 3.2万 次2 周前
3I/ATLAS: Astronomers Reveal First Look Of Comet As It Reappears From Behind The Sun | Originals
1:27
3I/ATLAS: Astronomers Reveal First Look Of Comet As It Reappears From Behind The Sun | Originals
YouTubeWION
已浏览 2.3万 次1 个月前
3I/ATLAS: NASA Releases Close-Up Pictures of Interstellar Comet | WION
2:33
3I/ATLAS: NASA Releases Close-Up Pictures of Interstellar Comet | WION
YouTubeWION
已浏览 1.9万 次2 周前