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The spacecraft that changed how I see the universe
Since 2008, the Fermi Gamma-ray Space Telescope has captured cosmic wonders that would otherwise be hidden from human eyes.
Galaxy Centaurus A hosts an enormous black hole dining on nearby matter. During this messy and lengthy meal, the turmoil launches jets of fast-moving material. Those jets emit both radio waves, which are the lowest-energy type of light and appear yellow-orange here, and gamma rays, the highest-energy radiation and appear purple here.
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