Observations

Daily cosmobite: the colour of stars

The constellation of Orion with the star Betelgeuse labelled. Photo Nick LombWe see most stars as white because our eyes are poor at seeing colour in the dark. Colour is only obvious to the naked eye for a few of the brighter reddish stars like Betelgeuse in Orion. Photographs reveal a greater range of colours for stars including ones that are blue-white, white, yellow and red.

The constellation of Orion with the star Betelgeuse labelled. Photo Nick Lomb

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