Stars & galaxies
Polaris is the brightest star in the Ursa Minor constellation, and has been used by sailors for navigating at sea.
We know the Sun is destined to become a white dwarf but what is that and what happens next?
What do you get when you blow up a really big star? Everything it turns out.
Stars are born, become middle aged and eventually die (usually in a spectacular fashion). In the process, they make almost everything in the Universe.
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?
The unimaginably large Sun is just one of 200,000,000,000 stars that make up our Galaxy (itself one of many).
When did the universe start, how come it has all the elements it has and what happens when it’s all over?
Pulsars are among the most regular but shocking objects in the universe sending out massive bolts of electricity across space.
If you could squash the Earth into a ball the size of a marble, it would become a black hole. What are these mysterious entities?