The colour of a star - red, yellow or white - shows their different temperatures and, by using spectroscopes, it is possible to find out which materials exist there.
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Discover 11,128,835 listings and 280,366 playable programmes from the BBC
The colour of a star - red, yellow or white - shows their different temperatures and, by using spectroscopes, it is possible to find out which materials exist there.
(to 0.07)
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
