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Jonti Horner talks about the stars and planets you can view at sunset and in the night sky. The light from the fourth brightest star in the sky takes about 26 years to reach us making the star only a few years younger than Jonti! He explains what the different colours in a nebula - an interstellar cloud of dust, hydrogen gas and plasma - mean. Jonti is a Research Fellow in Astronomy at The Open University.

(Part 2 of 3)
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