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That team, led by Harvard researcher Guido Risaliti, witnessed the eclipse of a supermassive black hole in the center of a nearby galaxy, according to a study published in The Astrophysical Journal last week...
...term black hole is misleading in the case of this galaxy, known as NGC 1365, which has a brightly lit core instead of a dark one. The galaxy’s center—known by scientists as a nucleus—emits light and radiation due to the powerful gravitational field of the black hole, and is better known as a quasar...
Risaliti—who is also a visiting astrophysicist at the CFA—and his colleagues decided to delve deeper into the periodic eclipses of the NGC 1365 quasar’s emissions. Such eclipses are caused by clouds of gas that drift around the black hole, occasionally blocking X-ray radiation from reaching the earth...
Their observations confirmed one structural model for quasars. The cloud that had eclipsed the X-ray source was found to be a mere hundredth of a light year from the black hole’s event horizon, or the point at which material is permanently consumed by the black hole...
...Harvard women’s golf team won its third straight competition on Saturday, comfortably beating Dartmouth and Brown in a tri-match in Hatchville, Mass., that was shortened to 18 holes from the 36 that had been scheduled because of heavy rain. All 10 Crimson golfers played, producing strong performances both from the five playing in the team match and from those playing as individuals. The team shot a combined 309, significantly outpacing Dartmouth (322) and Brown (334), while junior Debbie Amanti, playing as an individual, shot a tournament-low round of 73. Though they played solidly overall...