Labels:ascent | sky | tor OCR: STAR BLA Oniythe highest mass otar become black holes After Supernova, the CorO of-the star can collap into fsingularity ora pomt into which all the mass concentrated. size cam be defirted for Black hote with what is callec the Schwar zschld radius passing closer than thie distance from the hole cannot escape*the gravitational drawn unto the black hole No black hole*has been unambig0o usly observed, although the obfect Cygnus x-fis beflevedto be one Onioshe biack core collaps unambigaously beflevedo
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