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Dublin: 8 °C Tuesday 25 April, 2017

#Black Holes

# black-holes - Saturday 7 January, 2017

There are 2,076 black holes lurking in this photo of deep space

The central region of this image contains the highest concentration of supermassive black holes ever seen.

# black-holes - Monday 14 November, 2016

What is the theory of relativity all about?

This is the century-old theory that has given us concepts like black holes and the big bang, writes Dr Cormac O’Raifeartaigh.

# black-holes - Thursday 20 March, 2014

Column: What does this week’s major physics breakthrough actually mean?

A new discovery has shed light on the beginning of the universe itself and will help us to understand how gravitational extremes like black holes work, writes Conor Farrell.

# black-holes - Tuesday 22 January, 2013

Gamma-ray burst blasted the Earth in 8th century

Space scientists have built on a study by an astrophysicist of the rings of ancient cedar trees – and concluded that two black holes collided.

# black-holes - Wednesday 30 May, 2012

NASA prepares to launch mission to hunt down black holes

High energy X-ray vision will be used in new orbiting telescope to “open a whole new window on the universe”.