Supermassive black holes smash all the recordsLưu trữ 2014-08-10 tại Wayback Machine Dr Emily Baldwin, Astronomy Now 7/12/2011 the event horizon, the point of no return, beyond which nothing can escape these black holes' immense gravity – not even light – is estimated to be five times the orbit of Pluto, and their gravitational influence would extend over a sphere 4,000 light years across
GeminiFocus December 2011 trang 21 We’ve measured a 9.7-billion solar-mass black hole in the galaxy NGC 3842, the BCG of Abell cluster 1367, and another that could be as large as 21 billion solar masses in NGC 4889
2012 Annual Report - Keck ObservatoryLưu trữ 2014-04-26 tại Wayback Machine trang 24: Record Massive Black Holes Lurk in Monster Galaxies One of the newly discovered black holes is in the elliptical galaxy NGC 3842, and it weighed in at 9.7 billion solar masses. The second is significantly larger at 21 billion solar-masses and sits in the elliptical galaxy NGC 4889
Supermassive black holes smash all the recordsLưu trữ 2014-08-10 tại Wayback Machine Dr Emily Baldwin, Astronomy Now 7/12/2011 the event horizon, the point of no return, beyond which nothing can escape these black holes' immense gravity – not even light – is estimated to be five times the orbit of Pluto, and their gravitational influence would extend over a sphere 4,000 light years across
2012 Annual Report - Keck ObservatoryLưu trữ 2014-04-26 tại Wayback Machine trang 24: Record Massive Black Holes Lurk in Monster Galaxies One of the newly discovered black holes is in the elliptical galaxy NGC 3842, and it weighed in at 9.7 billion solar masses. The second is significantly larger at 21 billion solar-masses and sits in the elliptical galaxy NGC 4889