Magnetospheric Reflections

March 13, 2015 / 0 comments

After they were launched into space tonight, four Magnetospheric Multiscale (MMS) spacecraft are in Earth’s orbit preparing to study how the protective magnetic fields around the Earth sometimes disconnect and then reconnect. When this “magnetic reconnection” happens, the reconfiguration is explosive and releases as much energy as billions of megatons of TNT. These bursts of…

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Exploring Extraterrestrial Oceans Here on Earth

March 12, 2015 / 0 comments

NASA has announced that observations from the Hubble telescope suggest there is a vast underground ocean on Jupiter’s moon Ganymede, which is also the largest moon in our solar system: “Scientists estimate the ocean is 60 miles (100 kilometers) thick – 10 times deeper than Earth’s oceans – and is buried under a 95-mile (150-kilometer)…

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Drawing of imagined space settlement, a ring of green residence in a space station.

Obama and Space Settlement: 2015 SOTU

January 21, 2015 / 0 comments

I wonder if this is the first mention of space settlement in a US president’s State of the Union address? “I want Americans to win the race for the kinds of discoveries that unleash new jobs — converting sunlight into liquid fuel; creating revolutionary prosthetics, so that a veteran who gave his arms for his country can…

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