Black holes

Voracious star-eaters black holes have weaker magnetic field: Study

Voracious star-eaters black holes have weaker magnetic field: Study

The researchers found the magnetic energy around the black hole is about 400 times lower than previous crude estimates.
 

Dec 08, 2017, 14:19 PM IST
Milky Way edges might be crowded with black holes

Milky Way edges might be crowded with black holes

Conditions favourable for black-hole mergers exist in the outer gas disks of big spiral galaxies

Oct 31, 2017, 19:42 PM IST
Instruments used in detection of gravitational waves can also unveil dark matter enigma

Instruments used in detection of gravitational waves can also unveil dark matter enigma

Calculations show that certain types of dark matter could form giant clouds around astrophysical black holes.

Oct 04, 2017, 17:48 PM IST
Fourth gravitational wave signal detected – Five things you need to know

Fourth gravitational wave signal detected – Five things you need to know

The latest observation was made on August 14, 2017. It's the first gravitational wave signal recorded by the Virgo detector.

Sep 28, 2017, 09:56 AM IST
Supermassive black holes can form tightly bound pairs, says study

Supermassive black holes can form tightly bound pairs, says study

The study published in the journal Nature Astronomy sheds light on a class of black holes having a mass upwards of one million times the mass of the Sun. 
 

Sep 19, 2017, 17:17 PM IST
How many black holes does Milky Way have? Probably a 100 million, say scientists!

How many black holes does Milky Way have? Probably a 100 million, say scientists!

The new research was an attempt to interpret the gravitational wave detections through the lens of what is known about galaxy formation and to form a framework for understanding future occurrences.

Aug 09, 2017, 19:26 PM IST
In a first, astronomers discover orbiting supermassive black holes

In a first, astronomers discover orbiting supermassive black holes

Last year, an international team of researchers detected the existence of gravitational waves, confirming German physicist Albert Einstein's 100-year-old prediction and astonishing the scientific community.

Jun 28, 2017, 16:45 PM IST
NASA's SOFIA detects cool dust around active black holes!

NASA's SOFIA detects cool dust around active black holes!

SOFIA flies above 99 percent of the Earth's water vapour, enabling the research group to characterise the properties of the torus-shaped dust structures at far-infrared wavelengths.

Jun 14, 2017, 12:26 PM IST
Chinese space telescope to observe 'big eaters'

Chinese space telescope to observe 'big eaters'

When a black hole swallows too much, the excess matter is converted into two jet-flows perpendicular to the accretion disk of the black hole, which is like a glutton with a bloated belly belching.

May 30, 2017, 00:45 AM IST
Scientists decipher plot of the universe; largest map created!

Scientists decipher plot of the universe; largest map created!

In order to make their map, scientists used the Sloan Foundation Telescope to observe an unprecedented number of quasars.

May 21, 2017, 15:46 PM IST
When did Milky Way's black hole have its final meal? Team led by Indian-origin scientist has the answer!

When did Milky Way's black hole have its final meal? Team led by Indian-origin scientist has the answer!

What the snacks consisted of is somewhat unclear.

Apr 09, 2017, 22:32 PM IST
Stars born in winds from supermassive black holes discovered

Stars born in winds from supermassive black holes discovered

Such galactic outflows are driven by the huge energy output from the active and turbulent centres of galaxies.

Mar 28, 2017, 21:21 PM IST
'Cosmic cannibalism' no more a rarity; black holes devour stars more frequently than thought!

'Cosmic cannibalism' no more a rarity; black holes devour stars more frequently than thought!

Supermassive black holes are millions to billions times more massive than our Sun.

Feb 28, 2017, 00:01 AM IST
Our cosmic backyard harbours hidden black holes, says NASA!

Our cosmic backyard harbours hidden black holes, says NASA!

Monster black holes, it seems, also sometimes lurk behind gas and dust, hiding from the gaze of most telescopes.

Jan 08, 2017, 23:35 PM IST
NASA selects science mission to uncover mystery of black holes, cosmic x-rays!

NASA selects science mission to uncover mystery of black holes, cosmic x-rays!

NASA saw the best science potential and most feasible development plan in the IXPE proposal.

Jan 04, 2017, 11:44 AM IST
NASA's X-ray telescopes stumble over evidence of wandering black hole! - See pic

NASA's X-ray telescopes stumble over evidence of wandering black hole! - See pic

The astronomers used NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton X-ray observatory to discover this source.

Oct 06, 2016, 11:11 AM IST
Unique stellar system: Home to hundreds of undiscovered black holes

Unique stellar system: Home to hundreds of undiscovered black holes

From this, the researchers showed that the unexplainable dynamical apparent youth is an effect of the large black hole population.

Sep 09, 2016, 14:18 PM IST
Stephen Hawking's prediction on black hole observed in lab

Stephen Hawking's prediction on black hole observed in lab

According to Hawking's prediction, black holes might not be bottomless pits and some information can escape black holes in the form of energy. 

Aug 18, 2016, 08:56 AM IST
Revealed: Black hole makes material wobble around it!

Revealed: Black hole makes material wobble around it!

The discovery solves a mystery that has eluded astronomers for more than 30 years, and will help scientists understand more about the behavior of matter very close to black holes.  

Jul 14, 2016, 09:39 AM IST
Spotted: Huge 'black holes' on Sun's surface, are we in trouble?

Spotted: Huge 'black holes' on Sun's surface, are we in trouble?

The US space agency NASA's Solar Dynamics Observatory (SDO) have spotted two huge 'black holes' on the surface of the Sun.

May 31, 2016, 11:54 AM IST