Breakthrough Starshot says it’s been testing prototype interstellar spacecraft no bigger than postage stamps in orbit for the past month,… Read More University of Washington astronomer Rory Barnes ...

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19:16, Thu, Jul 10, 2025 Updated: 19:17, Thu, Jul 10, 2025 NASA could one day send a fusion-powered probe to Proxima Centauri b – a potentially habitable exoplanet located just over four light years ...

Proxima Centauri b is an exoplanet discovered in 2016 - it orbits the red dwarf star Proxima Centauri, 4.2 light-years from Earth. Using the current means of propulsion, we would need more than 6,000 ...

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