2 posts tagged with interstellartravel.
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It's a beautiful day in the neighborhood, a beautiful day for a neighbor

After almost two weeks of speculation, it has been announced in Nature: At a distance of 1.295 parsecs, the red dwarf Proxima Centauri is the Sun’s closest stellar neighbor and one of the best-studied low-mass stars. Here we report observations that reveal the presence of a small planet with a minimum mass of about 1.3 Earth masses orbiting Proxima with a period of approximately 11.2 days at a semi-major-axis distance of around 0.05 astronomical units. Its equilibrium temperature is within the range where water could be liquid on its surface. (paywalled article w/ abstract) [more inside]
posted by AElfwine Evenstar on Aug 24, 2016 - 81 comments

Ad Astra Incrementis

Carl Sagan wrote, “We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.” But how will humans or our machine representatives fly to the stars? [more inside]
posted by audi alteram partem on May 1, 2012 - 42 comments

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