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Pluto and Other Trans-Neptunian Objects
There are 14 videos in this category and 0 videos in 0 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 8 - 18
1670 Views:
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Bill Nye talks about why Pluto should't be called a planet. Bill Nye explains a dwarf planet and explains the process of science and how we continually are learning new things. Run time 01:36.
July 12, 2009 at 06:18 AM
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Not Right For WatchKnowLearn
Ages: 14 - 18
1131 Views:
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Neil DeGrasse Tyson recounts the controversy about America's favorite former planet -- Pluto. He talks with Ira in the NPR studio in New York about the new rules for planetary status.
January 18, 2010 at 09:48 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
2069 Views:
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Ask An Astronomer, question asked is: Why isn't Pluto a planet any more? Dr. Robert Hurt explains why Pluto got... well... plutoed. Describes how we define the word planet. Explains when planets were discovered, how asteroids were discovered, and how... Pluto was discovered. In early 1990's astronomers found items bigger than Pluto. In August 2006, astronomers from all over the world met and decided on a formal definition of a planet-Pluto didn't make it! It is good to know though that even they make mistakes. Video is of good quality and is appropriate for middle elementary school and middle school students. Run time 03:31.
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July 26, 2009 at 05:39 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
1161 Views:
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This video has been updated to include pluto's new classification but they decide that it still needs an "honorable mention" in the series. This short clip is suitable for older elementary, middle school, and high school students. Run time 01:06.
August 16, 2009 at 06:10 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
1123 Views:
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In this segment he speaks about his role in suggesting Pluto was not a planet - setting off scientific soul-searching about our solar system.
March 19, 2011 at 09:30 AM
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Not Right For WatchKnowLearn
Ages: 9 - 18
983 Views:
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In this video segment adapted from NOVA scienceNOW, learn about the debate over the definition of a planet. Historically, there has been no scientific definition for a planet, leaving astronomers with the difficult task of properly classifying new di...scoveries in our solar system, such as Ceres and Eris. However, in August 2006, members of the International Astronomical Union (IAU) passed a resolution that defined a planet. Under the new definition, Pluto is not classified as a planet, but rather as a dwarf planet along with Ceres and Eris. Closed captioning included. Run time 03:04.
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September 5, 2010 at 09:59 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
969 Views:
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Learn About Pluto - Learn about the solar system and the dwarf planet of Pluto. (01:05)
March 23, 2011 at 07:11 PM
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Not Right For WatchKnowLearn
Ages: 6 - 18
901 Views:
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This 4:30 video uses animation and other images to show how Pluto, which is 3.7 billion miles from the sun, and only half the size of the moon was discovered and what it is like on the surface.
May 29, 2011 at 04:16 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
655 Views:
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Partial transcript: "Astronomers have accurately measured the size of the remote dwarf planet Eris for the first time. They caught it as it passed in front of a faint star. Eris also seems to be extremely reflective, probably because it is covered in... a thin layer of frozen atmosphere." (03:42)
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November 9, 2011 at 12:41 AM
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Not Right For WatchKnowLearn
Ages: 10 - 18
609 Views:
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Pluto was kicked off the list of major planets. It seems to have responded by turning a mysterious red color, according to scientists working with the Hubble Telescope. (02:11)
December 3, 2011 at 09:54 AM
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