NASA | Evolution of the Moon
2:42
YouTubeNASA Goddard
NASA | Evolution of the Moon
From year to year, the moon never seems to change. Craters and other formations appear to be permanent now, but the moon didn't always look like this. Thanks to NASA's Lunar Reconnaissance Orbiter, we now have a better look at some of the moon's history. Learn more in this video! This video is public domain and can be downloaded at: http://svs ...
已浏览 1235.1万 次2012年3月14日
Comet Facts
Halley's Comet: Facts About the Most Famous Comet
2:49
Halley's Comet: Facts About the Most Famous Comet
SPACE.comElizabeth Howell
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Hale-Bopp: The famous 90s comet that took the world by storm
Hale-Bopp: The famous 90s comet that took the world by storm
interestingengineering.com
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NASA ScienceCasts: The Lasting Impacts of Comet Shoemaker-Levy 9
4:00
NASA ScienceCasts: The Lasting Impacts of Comet Shoemaker-Levy 9
YouTubeNASA Science
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YouTubeNASA Jet Propulsion
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YouTubeNASA Goddard
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YouTubeNASA Jet Propulsion
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Comet Observation
Comet Lemmon Will Brighten This Month - A new comet is racing toward the Sun, growing brighter with each night. But will we truly see it, or will city lights erase its ghostly glow? According to the Comet Observation Database, Comet Lemmon could soon shine bright enough for the naked eye. How rare is such an event, and what makes this icy traveler so special? Watch to uncover the mystery before it fades from our sky. | The Brain Maze
Comet Lemmon Will Brighten This Month - A new comet is racing toward the Sun, growing brighter with each night. But will we truly see it, or will city lights erase its ghostly glow? According to the Comet Observation Database, Comet Lemmon could soon shine bright enough for the naked eye. How rare is such an event, and what makes this icy traveler so special? Watch to uncover the mystery before it fades from our sky. | The Brain Maze
FacebookThe Brain Maze
已浏览 2.1万 次2 个月之前
Comet Tsuchinshan-ATLAS nears the sun this month. Will it be visible to the naked eye?
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Comet Tsuchinshan-ATLAS nears the sun this month. Will it be visible to the naked eye?
SPACE.comJoe Rao
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New comet in Oregon sky captured in dramatic photos
New comet in Oregon sky captured in dramatic photos
oregonlive.com
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