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400 Years of the Telescope

This lecture coincides with the 400th anniversary of the first...

The death of a star in a supernova explosion is...

Three of the most beautiful sights that we can observe...

Since Pythagoras, we have imagined the universe as a vast...

An overview of the development of cosmology over the last...

Who invented the constellations? The constellations that we use to...

During the fifty years since the launch of the Viking...

When did the first stars form? And how did they...

There is simple evidence that, even in recent times, the...

Despite its familiarity, the Sun is a very different presence...