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Black hole

Plasma-spewing black hole dragging spacetime

The jets appear to be rapidly rotating with high-speed clouds of plasma -- potentially just minutes apart -- shooting out of the black hole in different directions.

May 02, 2019, 19:01 PM IST

First-ever blackhole to be photographed named 'Powehi'

The first-ever blackhole to be pictured has been named `Powehi` by a Hawaiian professor Larry Kimura, who was tasked with the job by astronomers involved in the project.

Apr 13, 2019, 06:04 AM IST

Furore over 'black hole' photo forces China's largest image provider to shut

Shares in the company slumped by the maximum 10 per cent allowed.

Apr 12, 2019, 23:48 PM IST

First-ever picture of a black hole captured in historic space breakthrough

The Event Horizon Telescope (EHT) -- a planet-scale array of eight ground-based radio telescopes forged through international collaboration -- was designed to capture images of a black hole.

Apr 10, 2019, 19:02 PM IST

Scientists detect four new gravitational waves

US-based LIGO and Europe-based VIRGO gravitational-wave detectors have recorded gravitational waves from a total of 10 black hole mergers and one merger of neutron stars.

Dec 04, 2018, 15:47 PM IST

Scientists confirm Einstein's supermassive black hole theory

A team of international scientists observing a star in the Milky Way have for the first time confirmed Einstein’s 100-year-old general theory of what happens to the motion of a star passing close to a supermassive black hole.

Jul 31, 2018, 10:50 AM IST

Scientists discover the fastest growing black hole which eats a Sun every two days

The energy emitted from this newly discovered supermassive black hole, also known as a quasar, was mostly ultraviolet light but also radiated x-rays.

May 16, 2018, 11:55 AM IST

Russian astronomers discover new black hole, dedicate it to Stephen Hawking

The newborn black hole, which lies in the Ophiuchus constellation, was spotted two days after Stephen Hawking's demise.

Mar 22, 2018, 11:04 AM IST

Lonely black hole hiding in giant star cluster identified

Astronomers discovered that one of the stars in a global cluster is being flung backwards and forwards at speeds of several hundred thousand kilometres per hour, with the pattern repeating every 167 days.

Jan 18, 2018, 19:10 PM IST

Super massive discovery: Scientists unveil most distant black hole

The newly found black hole is voraciously devouring material at the centre of a galaxy – a phenomenon called a quasar. 

Dec 07, 2017, 12:34 PM IST

Infant stars found near Milky Way's supermassive black hole

The observations were made with Atacama Large Millimeter/submillimeter Array (ALMA), an observatory in Chile.

Nov 29, 2017, 18:36 PM IST

Supermassive discovery: Scientists spot five elusive giant black hole pairs

The black hole pairs were uncovered by combining data from a suite of different observatories including NASA's Chandra X-ray Observatory, the Wide-Field Infrared Sky Explorer Survey (WISE), and the ground-based Large Binocular Telescope in Arizona.

Oct 04, 2017, 13:29 PM IST

Eating habits of black holes make some galaxies appear brighter

For decades, astronomers have tried to pin down why two of the most common types of active galaxies, known as Type-I and Type-II galaxies, appear different when observed from Earth. 

Sep 28, 2017, 16:24 PM IST

Astronomers detect massive black hole near heart of Milky Way

It was discovered lurking in a toxic gas cloud near the heart of the Milky Way.

Sep 05, 2017, 13:59 PM IST

LIGO detects gravitational waves for third time

The Laser Interferometer Gravitational-wave Observatory (LIGO) in the US made the detection on January 4 this year, demonstrating that a new window in astronomy has been firmly opened.

Jun 01, 2017, 23:45 PM IST

Collapsing star mysteriously reborn as black hole, reveal NASA's Hubble and Spitzer images

As the astronomers looked for remnants of the vanquished star, they found that it disappeared out of sight with a whimper instead of a bang.

May 26, 2017, 11:16 AM IST

Supermassive black holes lurk in most dwarf galaxies: Study

Scientists have discovered supermassive black holes in two ultra-compact dwarf galaxies.

Apr 18, 2017, 20:37 PM IST

Hubble detects monster black hole kicked out of galactic core

Astronomers think this object is a very strong case. Weighing more than 1 billion suns, the rogue black hole is the most massive black hole ever detected to have been kicked out of its central home.

 

Mar 24, 2017, 11:49 AM IST

Scientists discover star circling closest known orbit around likely black hole!

This discovery was made using NASA’s Chandra X-ray Observatory as well as NASA’s NuSTAR and CSIRO’s Australia Telescope Compact Array (ATCA).

Mar 14, 2017, 08:50 AM IST

Scientists measures temperature swings of black hole winds for first time

According to new measurements of a nearby supermassive black hole obtained with NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) telescope, these ultrafast 'winds' can heat up and cool down in the span of just a few hours.

Mar 02, 2017, 16:12 PM IST