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The Creation of the Chemical Elements

Understanding the birth and death and stars is key to...

A Fossil from the Big Bang

Professor Joseph Silk describes what we have learned about the...

Galactic Collisions

Was Einstein Right?

One hundred years ago, Albert Einstein completed his General Theory...

When Does Time Slow Down? GPS and Relativity

Professor Andersson explains the relationship between General Relativity and the...

The Stretchy Pants Experiment

Why is the Moon's gravity pulling Earth? Professor Andersson suggests...

The First Stars

Eddington once famously said that a physicist on a cloud-bound...

The Primordial Fireball

The universe underwent an inflationary period of expansion. From an...

Space is a Raisin Pudding

Professor Joseph Silk, the Gresham Professor of Astronomy, answers an...

The First Proof of the Cosmic Microwave Background

Professor Silk describes how to scientists desperately tried to erase...