Black Hole

Friday, Apr 26, 2024 | Last Update : 02:21 AM IST

Indian astronomers detect huge optical flare in one of the oldest astronomical objects

The data collected from the flare observed will help calculation of the black hole mass, size of emission region, and other processes

13 Feb 2021 6:54 PM

Astronomers used an international network of telescopes to detect the phenomenon. (Representational photo: AP)

A black hole rips apart an unfortunate star

The star, roughly the same size as our sun, was eventually sucked into oblivion in a rare cosmic occurrence.

30 Sep 2019 7:38 AM

This particular black hole is 130 million light-years from Earth is not in a good shape.

Watch: Supermassive black hole that should not be there

A disk of material surrounding the black hole has been discovered by the Hubble Space Telescope.

12 Jul 2019 2:56 PM

This might seem like a small detail but it directly affects how fast black holes spin and, consequently, what effect they have on the galaxies that surround them. (Photo: AFP)

40 years black hole mystery solved

'Best ever' simulation solves 40-year black hole mystery.

06 Jun 2019 9:54 AM

Internet users took to social media slamming VCG for monetising a photo intended for free distribution among people.

Black Hole image for sale!

This in turn lead to government intervention and VCG was ordered to end its illegal, rule-breaking practices.

15 Apr 2019 12:12 AM

The image reveals the black hole at the centre of Messier 87, a massive galaxy in the nearby Virgo galaxy cluster. This black hole resides about 54 million light-years from Earth. (Photo: AP)

Black hole image released in an astrophysics breakthrough

Black holes, phenomenally dense celestial entities, are extraordinarily difficult to observe despite their great mass.

13 Apr 2019 9:42 AM

Astronomers say giving it a Hawaiian name was justified because the project included two telescopes in Hawaii. (Photo:AP)

Hawaii university professor names black hole 'Powehi'

A language professor has given a Hawaiian name — Powehi — to the black hole depicted in an image produced in a landmark experiment.

12 Apr 2019 10:03 AM

The image reveals the black hole at the center of Messier 87, a massive galaxy in the nearby Virgo galaxy cluster. (Image: tweeted by @ESO)

Astronomers unveil first ever image of black hole

This black hole resides about 54 million light-years from Earth.

10 Apr 2019 7:29 PM

The other candidate is a monster black hole -- 1,500 times more massive even than Sag A* -- in an elliptical galaxy known as M87. (Representative image | Pixabay)

The first picture of a black hole to be revealed soon

It's a lot farther from Earth, but distance and size balance out, making it roughly as easy (or difficult) to pinpoint.

06 Apr 2019 10:28 AM

The scientists tracked the event with radio and infrared telescopes, including the National Science Foundation's Very Long Baseline Array (VLBA), in a pair of colliding galaxies called Arp 299. (Photo Credit: Sophia Dagnello, NRAO/AUI/NSF; NASA, STScI)

Astronomers spot supermassive blackhole destroying a star

At the core of one of the galaxies, a black hole 20 million times more massive than the Sun shredded a star more than twice the Sun's mass.

17 Jun 2018 6:41 PM

A specially-written musical piece by Greek composer Vangelis featuring Hawking's famous synthesised voice was beamed into space by radio waves from a European Space Agency satellite dish in Spain. (Photo: AFP)

Stephen Hawking's voice beamed into space during London burial

Ashes of the theoretical physicist were interred by the graves of fellow science greats Isaac Newton and Charles Darwin.

15 Jun 2018 8:32 PM

An illustration of the thick ring of dust that can obscure the energetic processes that occur near active black hole. (Photo: NASA)

Reseachers find cool dust around active black holes

Most, if not all, large galaxies contain a supermassive black hole at their centers.

14 Jun 2017 3:53 PM

The third event was produced by the merger of two black holes, 31 and 19 times as massive as the Sun, forming a larger black hole of about 49 solar masses.

LIGO detects gravitational waves for a third time

The new detection occurred on January 4 this year during the ongoing second observing run of the Advanced LIGO detectors in the US.

02 Jun 2017 10:07 AM

Theoretical astronomy tells us that when a black hole absorbs matter, a brief flash of light is visible as depicted in this artist's rendering (Photo: AFP)

Astronomers works to puzzle out black hole

The targeted black hole is hidden in plain sight, lurking in the centre of the Milky Way in a region called Sagittarius constellation

13 Apr 2017 7:59 AM

This is an artist impression of galaxy at the center of the Phoenix Cluster. (Photo: phys.org)

Black hole discovered fuelling star formation

The Phoenix cluster is an enormous accumulation of about 1,000 galaxies, located 5.7 billion light years from Earth.

16 Feb 2017 11:22 AM

Future instruments like the Large Synoptic Survey Telescope and James Webb Space Telescope might spot these far-flung oddities. (Representational image)

Milky Way's black hole spews out cosmic 'spitballs'

Every few thousand years, an unlucky star wanders too close to the black hole whose powerful gravity rips the star apart

12 Jan 2017 9:29 PM

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Sunil Gatade

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