Watch stargazing challenges 123Movies. Blue Peter presenters Helen Skelton and Barney Harwood want to learn more about the solar system so they challenge scientists Helen Czerski and Jem Stansfield to find out more. They look at how to make telescopes and rockets, and use a toilet roll to measure the distances between planets.
7.21991HD
Partly adapted from cosmologist Stephen Hawking's popular book about his theories of the universe, this in-depth documentary also presents Hawking's...
6.22017HD
CERN and the University of California-Santa Barbara are collaborating in the search for the elusive substance that physicists and astronomers believe...
02021HD
Part of the Almost Famous series. Jocelyn Bell was a graduate student at Cambridge in 1967 when she pushed through the skepticism from her superiors...
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Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Earth. Today, Earth's twin is a planet knocked...
02022HD
European Space Agency astronaut Alexander Gerst and his NASA colleague Reid Wiseman are launched into space from the Baikonur Cosmodrome in...
7.12022HD
At the edge of our solar system supposedly lies an immense planet. Five to ten times the size of the Earth. Several international teams of scientists...
102025HD
For over three decades, NASA and an international team of scientists and engineers pushed the limits of technology, innovation, and perseverance to...
6.52021HD
The history of the Ariane rocket is a space epic that has seen Europeans unite and innovate to make a place for themselves in the space race. Faced...
02022HD
82017HD
An incredible travel through space and time between the walls of the Paris Observatory, which is celebrating its 350th birthday. Place of discoveries...
7.22015HD
New planets are now being discovered outside our solar system on a regular basis, and these strange new worlds are forcing scientists to rewrite the...
02018HD