Word: holing
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Dates: during 1970-1979
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Several Harvard professors in the Astronomy and Physics Departments yesterday expressed skepticism over a black hole sighting which a group of astronomers in California and Arizona announced last week...
Astronomers at the Hale and Kitt Peak National Observatories said Friday they observed a massive black hole with a density millions of times greater than the sun at the center of Galaxy...
Cameron said these new findings are "the first observational confirmation" of violent activity in a galaxy, but he cautioned the activity may not necessarily result from a black hole...
Steven Weinberg, Higgins Professor Physics, said yesterday that although the findings are "really interesting, there is no direct evidence of a black hole...
Riccardo Giacconi, professor of Astronomy, said yesterday he and others have researched a black hole named Cygnus X-1, which has a smaller mass than the alleged black hole observed last week...