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Friday, January 24, 2020

black holes


Astronomers discover 83 supermassive black holes

March 15, 2019 12:59 pm

Astronomers have discovered 83 quasars powered by supermassive black holes 13 billion light-years away from the Earth, from a time when the universe was less than 10 per cent of its present age.

Four new gravitational waves detected from black hole mergers

December 05, 2018 5:25 pm

The position of the binary black holes, located by the LIGO and VIRGO observatories, were spotted 2.5 billion light-years from Earth, and identified with a precision of 39 square degrees.

Background space hum may reveal hidden black holes: Study

April 16, 2018 8:20 pm

Scientists believe that deep space holds many more black holes compared to earlier estimates, which can now be 'heard'.

Lack of evidence put Stephen Hawking's Nobel Prize hopes in black hole

March 15, 2018 8:08 pm

Scientists mourning the death of Stephen Hawking believe that the late British cosmologist did not win a Nobel Prize, as his theories have never been proven.

Strange star helps discover massive inactive black hole

January 18, 2018 7:02 pm

Scientists at the European Southern Observatory have detcted an invisible black hole, which was found with a star revolving around it.

Supermassive black holes present in every galaxy, determine lifespan of stars: Study

January 02, 2018 8:16 pm

New research has shown that every galaxy has a supermassive black hole, that decides how stars will be formed, and when they will 'switch off'.

Black holes have weaker magnetic fields than thought: Study

December 08, 2017 8:29 pm

The magnetic field measurements bring scientists closer to understanding how black holes' magnetism works, deepening our knowledge of how matter behaves under the most extreme conditions.

Edges of spiral galaxies like Milky Way could house massive black holes

October 31, 2017 8:21 pm

The outskirts of spiral galaxies like our own could be crowded with colliding black holes of massive proportions, says a study led by an Indian-origin researcher.

Astronomers spot elusive giant black hole couples

October 04, 2017 7:33 pm

Astronomers including one of Indian-origin have identified five pairs of supermassive black holes, each containing millions of times the mass of the Sun, in the centres of galaxies.

Eating habits of black holes make some galaxies appear brighter

September 28, 2017 4:42 pm

Researchers have found that some galaxies appear brighter to astronomers' telescopes because of faster rates at which their supermassive black holes swallow matter and spit out energy, not because of the way the galaxies face Earth, as earlier believed.