Stars & galaxies

When did the universe start, how come it has all the elements it has and what happens when it’s all over?

The unimaginably large Sun is just one of 200,000,000,000 stars that make up our Galaxy (itself one of many).

There are only a few things money can’t buy and your name on a star is one of them. So how are they named?

Stars are born, become middle aged and eventually die (usually in a spectacular fashion). In the process, they make almost everything in the Universe.

What do you get when you blow up a really big star? Everything it turns out.

We know the Sun is destined to become a white dwarf but what is that and what happens next?

Polaris is the brightest star in the Ursa Minor constellation, and has been used by sailors for navigating at sea.

The story of Astronomer Royal George Biddell Airy and the remarkable Airy Transit Circle telescope he designed at the Royal Observatory Greenwich.

How the humble prism helped unlock the secrets of what the Universe is made of and where it is heading.

Meridian astronomy is the meticulous surveying of the stars so that positions and movements of stars can be known accurately.

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