Red sunshine, seas, and maybe aliens? Scientists analyzing data from NASA's Kepler Space Telescope today report the closest thing yet to another Earth, a world in a habitable orbit around a red dwarf star some 493 light-years away. Launched in 2009 with the goal of finding another Earth, the $600-million Kepler spacecraft has discovered more than 960 planets orbiting nearby stars. Half a dozen of
A still frame from DJ Sadhu’s video claiming the solar system moves through the galaxy along a vortex. This claim is—to be charitable—incorrect. Image credit: DJ Sadhu, from the video. I’ve been getting lots of tweets and email from folks linking to a slick-looking video, a computer animation showing the motion of the planets around the Sun as the Sun orbits around the Milky Way Galaxy. It’s a ver
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