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Upon learning about exoplanets, I’ve become fascinated with one 20 years light years away from Earth called the Gliese 581c, which resides in the Gliese 581 system. The Gliese 581c was discovered in 2007 using the radial velocity method of detection (tugs on its planet star). At the time of its discovery, it was theContinue reading “the Gliese 581c”