Disco balls could be the key to interstellar travel: Researchers say spherical mirrored craft travelling at a fifth the speed of light could visit nearby star systems to look for life
Disco balls could be the unlikely key to interstellar travel, researchers have found.
Most projects, including billionaire Yuri Milner's Breakthrough Starshot project with Stephen Hawking and Mark Zuckerberg, have focused on light 'sails' to travel the vast distances.
However, now researchers say a sphere could be far more effective.
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HOW IT WOULD WORK The 'spaceball' would look a lot like an interstellar disco ball, with the probe hidden in the centre.
When a laser beam hit the thin, mirror-like surface, the light would bounce off and push the probe along.
The beam... read more
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