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There are 38 videos in this category and 520 videos in 47 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 14 - 18
591 Views:
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If gravity is so attractive, why doesn't the earth just crash into the sun? Or the moon into the earth? The answer: Stable orbits. (02:07)
July 23, 2012 at 01:58 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
312 Views:
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"Alien matter" detected by a NASA spacecraft orbiting Earth shows that the chemical make-up of our solar system differs from that of the surrounding galaxy. Researchers discuss the possible meaning of this mismatch in this ScienceCast video.(03:12)
September 27, 2012 at 07:22 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
206 Views:
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At 4.6 billion years old, the Solar System is our solid, secure home in the Universe. But how did it come to be? In this episode we trace the system's birth from a thin cloud of dust and gas. Shocked by a nearby supernova, the pull of gravity and nat...ural rotation spun it into a flat disc from which the Sun and planets coalesced. It all happened in the space of 700 million years, during which the planets jockeyed for position, dodging the brutal bombardment of deadly asteroids and setting into the neat, stable system that we now realize might be a rarity in the universe. (44:01)
[more]
January 15, 2013 at 08:10 PM
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Not Right For WatchKnowLearn
Ages: 6 - 18
2832 Views:
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See how the Webb Space Telescope studies planetary bodies using the solar system and planets orbiting other stars. This video has excellent computer-animated images to show how planets may have formed. (05:51)
January 27, 2011 at 12:17 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
496 Views:
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Como nacio nuestro sistema solar? Emprendamos un viaje junto a
cientificos hacia los hipnotizantes misterios del espacio. Escuche las
teorias de los expertos y decida usted mismo. (3:26)
June 1, 2012 at 12:44 AM
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Not Right For WatchKnowLearn
Ages: 10 - 18
1521 Views:
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Using computer animation, the instructor in this video describes the beginning of our Solar System. (04:13)
August 13, 2011 at 12:50 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
832 Views:
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Learn all about the planets in our solar system in this animated BrainPOP
movie! A quiz is also included in this link. (Approximate time 2:00)
May 31, 2012 at 11:17 AM
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Not Right For WatchKnowLearn
Ages: 3 - 13
187 Views:
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In this The Magic Schoolbus episode students will learn the basic facts about space; inlcuding the nine planets, the moon, and the stars. (25:49)
April 9, 2013 at 10:09 AM
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Not Right For WatchKnowLearn
Ages: 12 - 18
1137 Views:
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A billion years ago, the Earth and Mars were warmer. This three minute animation tells why the planets are widening.
December 3, 2011 at 11:34 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
876 Views:
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This 2:26 minute video explains who stars are born and uses excellent images and the violent explosions that created the solar system called The Big Bang.
September 5, 2011 at 10:23 PM
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