An orbiting star begins to eclipse its partner, a rapidly rotating, superdense stellar remnant called a pulsar. Image courtesy of Aurore Simonnet/Sonoma State University/NASA *************************************************************************** Jan. 26 (UPI) -- NASA made a first-of-its-kind discovery with its Fermi Gamma-ray Space Telescope, spotting the first gamma-ray eclipses from a special type of star system. The agency shared the news with Nature Astronomy on Thursday after scientists researched a decade of observations from the telescope that can detect the most astonishing celestial events from gamma bursts to black holes. Gamma-ray eclipses were observed from a special binary star system that is orbited by...