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Episode Details: The Message of Starlight
The Message of Starlight
Series: The Sky at Night
Season: Season 23
Episode Number: 12
Air Date:
Duration: N/A min
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.