Category: Space

As reported on Engadget. By Donald Melanson  It’s likely not an anniversary anyone thought we would meet after the first moon landing, but today marks 40 years since Gene Cernan left the last footprint on the moon as Apollo 17 ended its mission. That was the last of six manned missions to the lunar surface (nine including those that didn’t land), which saw twelve men actually walk on the moon in all. The years since have…

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As reported on io9.com by George Dvorsky An historian of science from New York University has re-interpreted a correspondence between Albert Einstein and Erwin Schrodinger in which the two scientists argued about the nature of the cosmological constant — a kluge that Einstein embedded in his general theory of relativity to explain why the Universe was neither expanding or contracting (what scientists thought at the time). According to Alex Harvey, without the two of them even…

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As reported on Wired. BY NADIA DRAKE Elevation map and contour drawing of the buried impact crater found near Bow City, Alberta. Higher elevations are indicated by warmer colors, lower elevations by cooler colors. (W. Xie and T. Brown)   SAN FRANCISCO — An extraterrestrial impact crater is hiding near a Canadian ghost town. Nearly 5 miles across and 3,000 feet deep, the stealth crater has lurked just west of Bow City, Alberta, for millions of…

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