Wednesday, 17 August, 2022
TopicAstrophysics

Topic: astrophysics

SM Chitre, stalwart astrophysicist who once shared office with Stephen Hawking, dies at 84

Sandhya Ramesh -
A Padma Bhushan recipient, Shashikumar Madhusudhan Chitre was a former senior professor at TIFR and ex-president of the Astronomical Society of India.

There’s a 2nd kind of fusion happening in the Sun, scientists confirm through neutrinos

Sandhya Ramesh -
The detection of these neutrinos shows that while the Sun is primarily powered by proton fusion, bigger & hotter stars are powered by ‘CNO cycle’ fusion.

In Venus’ clouds, scientists find gas that suggests life, but say it’s hint, not evidence

Sandhya Ramesh -
The researchers behind the finding, from US, UK and Japan, claim to have detected the gas phosphine in Venus atmosphere. The study has been published in Nature Astronomy.

Astrophysicists spot biggest black hole collision so far, and a mystery begins to unfurl

Sandhya Ramesh -
The black hole collision was observed by the LIGO and Virgo collaborations, which involve nearly 1,000 scientists working around the globe.

Scientists discover familiar gas molecule on newly-named interstellar comet 2I/Borisov

Sandhya Ramesh -
The discovery of gas molecules suggests the possibility of directly observing and understanding what objects from other star systems are made of.

The world gets its first look at a black hole. Here’s how we got there

Sandhya Ramesh -
The black hole is located at the centre of the Messier 87 galaxy. It is 6.6 billion times the mass of the sun, and is located 53.5 million light years away.

In a first, scientists photograph how a (dead) star is born

Sandhya Ramesh -
Scientists may have just captured the birth of the objects left behind when a star explodes.

There was no limit to Nobel Prize winning astrophysicist S Chandrasekhar’s genius

Priyamvada Grover -
Chandrasekhar's work on stars and black holes yielded several honours but he struggled with opposition from senior scientists to 'Chandrasekhar limit'.

Pune telescope hailed for discovering one of farthest known galaxies

Sandhya Ramesh -
The Giant Metre-wave Radio Telescope has singularly detected several record-breaking objects.

Look up to see celestial fireworks tonight, Persied meteor shower set to peak

Aswin Sekhar -
One of the three strongest meteor showers, Perseids will be visible all over India and seen throughout the night.

On Camera

YourTurn

Opinion

Bihar Chief minister Nitish Kumar with Deputy CM Tejaswi Yadav | ANI File Photo

Operation Lantern fails to light up in Bihar. And BJP in search of a Brahmin face in UP

Bharat Agrawal -
The no-fuss change of government in Bihar, without horse-trading or MLAs in resorts, has prompted a coalition partner to request the CM to make arrangements for a trip to a hill station.
Pakistan: Imran Khan's Instagram account hacked, doubious crypto link posted

Imran Khan’s becoming costly for Pakistan govt. But army won’t completely remove him from scene

Prime Minister Narendra Modi addresses the nation from the rampart of Red Fort on the occasion of 76th Independence Day, in New Delhi Monday | ANI/Sanjay Sharma

In the debate over freebies, India is forgetting it traded rule of law for welfare services

Economy

Farmers plant paddy saplings in a field | PTI Photo

Good news from the farm as India’s FY22 foodgrain production estimated at record 316 mn tonnes

Sayantan Bera -
Wheat production estimate sees marginal upward revision to 106.8 million tons, though current rate lowest in 3 years.

Defence

(From left) Defence Minister Rajnath Singh, External Affairs Minister S. Jaishankar, US Secretary of Defence Lloyd J. Austin and US Secretary of State Antony Blinken after the India-US 2+2 Ministerial Dialogue, in Washington, 12 April, 2022 | Credit: ANI Photo/ PIB

USAF secy needs Pentagon escort but Indian attaché doesn’t — that’s how deep India-US ties are

Nayanima Basu -
Frank Kendall, Secretary of the US Air Force, says the unescorted access to Pentagon for Indian defence attaché 'is aligned with the trust and cooperation we share'.

National Interest

NI 13.08

Tiranga vs Tiranga: Gloves are off as Kejriwal joins the ‘nationalism’ battle with Modi

Shekhar Gupta -
Kejriwal’s maun vrat on Modi has ended. This is an important turn in Indian politics. In some ways rivalling the dramatic turn in Bihar.

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