3C 75 (also called 3C75) is a binary black hole system in the dumbbell-shaped galaxy NGC 1128 in the galaxy cluster Abell 400. It has four relativistic...

(December 29, 2012; July 5, 2015; April 8, 2017) Two Black Holes Dancing in 3C 75 (April 12, 2006; November 9, 2008; March 14, 2010; September 28, 2014; October...

3C 273 is a quasar located at the center of a giant elliptical galaxy in the constellation of Virgo. It was the first quasar ever to be identified and...

ELINT aircraft. EP-3E Aries II: 12 P-3C aircraft converted into ELINT aircraft. AP-3C: Royal Australian Air Force P-3C/W aircraft which have been extensively...

The Third Cambridge Catalogue of Radio Sources (3C) is an astronomical catalogue of celestial radio sources detected originally at 159 MHz, and subsequently...

cluster which contains the galaxy NGC 1128 with two supermassive black holes (3C 75) spiraling towards merger. These two supermassive black holes are contained...

[citation needed] JE-3C One E-3A aircraft used by Boeing for trials later redesignated E-3C. E-3D Production aircraft for the RAF to E-3C standard with CFM56...

galaxy in the Abell 400 galaxy cluster. At the center of the galaxy is 3C 75, a radio source, and contains two orbiting supermassive black holes that...

3C-2V is commonly marked on low cost coaxial cable used for domestic TV signals. It is one of the options of the Japanese cable standard JIS C 3501. The...

The S-75 (Russian: С-75; NATO reporting name SA-2 Guideline) is a Soviet-designed, high-altitude air defence system. It is built around a surface-to-air...