Science

Video documentaries about science and technology

Oumuamua

The Sky at Night – The Mystery of Oumuamua

Science / 2 minutes of reading / / By

In October 2017, astronomers made a spectacular discovery – they spotted the first ever object to visit our solar system from outer space. They gave it a suitably exotic name… ‘Oumuamua. Its discovery set off a hurricane of press speculation and a major scientific investigation.     To investigate this spectacular astronomical detective story, The Sky at Night goes to Queen’s University in Belfast, which has become the centre of scientific research on this cosmic visitor. When they first spotted it, all scientists knew was that it was small, it was travelling fast, and it came from outside our solar […]

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binary stars

How the Universe Works -Twin Suns: The Alien Mysteries ep.3 2018

Science / 2 minutes of reading / / By

Planets that orbit two suns instead of one might be deadly hell worlds, but new discoveries reveal that sci-fi star systems with binary stars might be optimal places for alien life.     How the Universe Works is a users guide to the cosmos from the big bang to galaxies, stars, planets and moons. Where did it all come from and how does it all fit together. A primer for anyone who has ever looked up at the night sky and wondered. Binary stars A binary star is a star system consisting of two stars orbiting around their common barycenter.

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The Invisible Universe

The Sky at Night – The Invisible Universe

Science / 1 minute of reading / / By

The Sky at Night – The Invisible Universe: reports on one of the most unnerving discoveries in space science – that most of the universe is missing.     We live in a material world, so instinctively we know what normal matter is – the world around us, the planets, stars and interstellar dust. But scientists currently estimate that 95 per cent of everything in the universe is actually – one way or another – invisible. Some of this is ordinary matter that we just can’t easily see. But there’s also stuff that’s much more weird. For instance, there’s a

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