light sail Hard Science Was ‘Oumuamua a rock or an alien scout? Harvard astronomer talks controversial hypothesis in new book Ari Loeb, who suggested in 2018 that the mysterious object was an alien craft, is back to discuss the evidence. The Present Stand by the launch: The world’s 1st orbiting light sail An elegant, 400-year-old means of navigating the stars takes flight.
Hard Science Was ‘Oumuamua a rock or an alien scout? Harvard astronomer talks controversial hypothesis in new book Ari Loeb, who suggested in 2018 that the mysterious object was an alien craft, is back to discuss the evidence.
The Present Stand by the launch: The world’s 1st orbiting light sail An elegant, 400-year-old means of navigating the stars takes flight.