Red giants, white dwarfs, black holes – there seems to be a bewildering
variety of stars in the sky. Yet astronomers have now explained all known
types of star in terms of a single theory. It reveals not only how a star
shines, but also how stars are born, live and die
WHEN we look up at the stars in the sky, we get the impression that they are
changeless. Certainly, the sky we see today is not very different from the
view that our ancestors had 5000 years ago, when they first connected up the
stars into constellations: Ursa Major,…
