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The Sky at Night

Season 23 • Episode 12 • The Message of Starlight

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The Sky at Night Season 23, Episode 12: The Message of Starlight

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Not all stars are alike: some are red, some yellow and some white. These different colours show their different temperatures, and by using spectroscopes it is possible to find out what materials exist there. Patrick Moore and Dr Jacqueline Mitton explain what stellar spectroscopy has told us. Watch The Sky at Night Season 23, Episode 12 The Message of Starlight in HD free online. Enjoy high-quality streaming of The Sky at Night Season 23, Episode 12 and share your thoughts in the comments below!

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