light sail

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Source: http://sail.planetary.org/gallery/lightsail.html

[DIGEST: ScienceAlert, IFLS, Space, NASA, Scientific American]

Fast radio bursts, signals detected in deep space that give off the energy of roughly 500 million suns, have confounded scientists for a decade. Back in 2007, scientists taking a close look at six-year-old data came across an incredibly strong and short signal from deep space. These signals are very brief—5 milliseconds—and detectable on the radio spectrum. And they’re important because scientists don’t know what they are; any mystery in space presents a new opportunity to learn about the universe.

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