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There are 14 videos in this category and 0 videos in 0 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 12 - 18
2215 Views:
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Two weeks after an asteroid exploded over Russia's Ural mountains, scientists are making progress understanding the origin and make-up of the unexpected space rock. (03:45)
February 26, 2013 at 06:39 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
1102 Views:
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Prof Richard Binzel shows us how asteroids are studied using tiny fragments of meteorites. (03:00)
June 13, 2018 at 06:59 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
1011 Views:
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Buckle up for a trip to the asteroid belt -- though it's not nearly as dangerous out there as you might think. But there's a LOT waiting to be discovered, including some crucial clues about the formation of the solar system itself. (03:09)
June 21, 2018 at 04:14 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
2489 Views:
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Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jup...iter, but some get near the Earth. The biggest, Ceres is far smaller than the Moon but still big enough to be round and have undergone differentiation.
CORRECTION: In the episode we say that 2010 TK7 is 800 km away. However, 2010 TK7 stays on average 150 million kilometers from Earth, but that can vary wildly. Sorry about that! (11:33)
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June 6, 2015 at 06:49 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
3268 Views:
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Celebrity astrophysicist Neil DeGrasse Tyson describes one possible solution for altering the trajectory of an earthbound asteroid. (05:07)
March 17, 2011 at 09:23 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
2910 Views:
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A team of Canadian scientists have discovered a "Trojan" asteroid that is caught in a synchronized orbit with the Earth. Jeffrey Brown discusses what this discovery means with the California Institute of Technology's Mike Brown. (04:31)
July 31, 2011 at 07:14 AM
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Not Right For WatchKnowLearn
Ages: 6 - 12
3609 Views:
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Ever wonder what an asteroid is? Let's make sense of it with science. We all know the nine planets in our solar system, but did you know that there are other celestial bodies orbiting the sun? This video gives good facts about asteroids. A variety of... pictures are shown as well as auditory/written content. This is a wonderful resource for a lesson/unit on space and would work well in conjunction with non-fiction/fiction texts about same topics. (01:40)
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August 7, 2011 at 06:02 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
2896 Views:
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A new video from NASA's Dawn spacecraft takes us on a flyover journey above the surface of the giant asteroid Vesta. The data obtained by Dawn's framing camera, used to produce the visualizations, will help scientists determine the processes that for...med Vesta's striking features. (01:58)
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September 18, 2011 at 07:00 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
2779 Views:
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Partial transcript: "2005 YU-55 is going to make a very close approach to the Earth on the night of November 8, 2011. At that time, its distance from Earth will be just under nine-tenths of the moon's distance away from us. 2005 YU-55 cannot hit Eart...h at least over the interval that we can compute the motion reliably which extends for several hundred years." (01:58)
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November 9, 2011 at 12:44 AM
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Not Right For WatchKnowLearn
Ages: 11 - 18
983 Views:
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Asteroids are celestial bodies that orbit around the sun. The word asteroid means star-like and is derived from the Greek words – astor (star) and oid (shape). They are believed to be remnants of the humungous cloud of dust and gases that formed the ...sun and planets over 4 billion years ago. (01:59)
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June 13, 2018 at 07:06 PM
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