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Planet Hunting
Episode 4 of 6
Chris Riley meets the team who have discovered most of the known planets outside our Solar System, while a PhD student talks about spotting stars using the world's most powerful group of telescopes.
Chris Riley meets the team who have discovered most of the known planets outside our Solar System, and finds out why recent events have forced astronomers to reconsider what a planet actually is. PhD student Debbie Pearson talks about spotting stars using the world's most powerful group of telescopes - the COAST project in Cambridge. And, investigating claims that global warming may not be entirely a man-made problem, the team examine our nearest star - the Sun.
Last on
Wed 30 Jan 2002
16:30
麻豆社 Knowledge
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