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...Astronomy. They introduce the origin of relativistic cosmology and share the latest ideas about the structure and evolution of the universe. Einstein’s general theory of relativity predicts the existence of black holes and gravitational waves, and the Cosmic Microwave Background Radiation allows cosmologists to picture the universe as it looked over 13 billion years...

...astronomy course, try The Open University course S194 Introducing astronomy... Europa The quest to find life elsewhere in the universe is biggest in modern science. An ice covered ocean on a small world orbiting Jupiter may hold the answers to this fundamental question. Archive footage appears courtesy of Footagevault. Phobos and Deimos Named after the Greek gods of fear...

...exploring paradoxes and thought experiments such as The Grandfather paradox and Schrodinger’s Cat. Since then the series has explored economics, religion, astronomy and now microgravity. This short video features commentary from writer Jon Hunter, Senior Lecturer Helen Fraser and Senior Producer Catherine Chambers on the making of the Microgravity series. Transcript...

...astronomy - out of this world Why not go on a 60 second adventure in Astronomy? Or several? Below you can learn about the noise created by The Big Bang, and you can download the entire podcast in iTunesU for FREE. Transcript Thinking about studying physics or astronomy? Or just want to be blown away by what is out of this world? Why not go where many have gone before and...

...like ancient flood plains. “Since studying Aram Dorsum, our group has found many more of these “fossilised rivers” around this area, which suggest that ancient Mars was warmer and wetter than it is today; this makes Aram Dorsum a great site to visit to look for evidence of past life on Mars.” Dig deeper into the red planet Try a free course on astronomy or geology...

...astronomy introducing you to the key features at each level of size whether solar, stellar, or galactic... Identifying different types of galaxy Galaxies are categorised according to their apparent shape. These shapes are typically divided into elliptical, spiral or irregular. The shape of a galaxy gives a clue to the age and types of star within the galaxy. What happens...

...a modern web browser. Upgrade to the latest version of Internet Explorer or try a free alternative like Google Chrome, Firefox or Safari. Take your learning further Discover more by studying physics and astronomy with The Open University. If you want to see what kind of topics you'll be studying, try out some course materials for free first (look under the 'Try' column)....