Wednesday, 10 August, 2022
TopicStars

Topic: stars

Through Indian telescope, astronomers spot mysterious birth of stars in distant dwarf galaxies

Sandhya Ramesh -
AstroSat observations give insight into how dwarf galaxies evolved but raise questions on how stars form in their outer regions. Findings of team from India, US & France published in Nature.

It’s confirmed. This 93-million-year-old crocodile once ate a dinosaur, albeit a juvenile one

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

A massive filament of hydrogen 55,000 light years away, and how supergiant stars die

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

This unusual star cluster with two tails is set to dissolve as 100% black holes, in 1 bn yrs

Sandhya Ramesh -
The Palomar 5 star cluster is ejecting its stars and filling up with black holes. A billion years from now, it will dissolve fully as only black holes.

What caused rare 2015 supernova? Indian astronomers on space quest trace it to rarer star

Sandhya Ramesh -
Researchers from Aryabhatta Research Institute of Observational Sciences discover that a 2015 supernova came from 2 stars, one of which was the extremely rare Wolf-Rayet star.

For the first time ever, astronomers are witnessing a galaxy’s ‘death’ as it’s happening

Sandhya Ramesh -
Research team accidentally discovers galaxy that is dying nine billion light years away using the ALMA, or Atacama Large Millimeter/submillimeter Array telescope.

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.

Jupiter-sized planet found orbiting a dead star — a first in space discoveries

Sandhya Ramesh -
Planet WD 1856b, located 80 light years from Earth, is thought to be about 14 times the mass of Jupiter and goes around the star every 34 hours.

India’s AstroSat telescope discovers one of the earliest galaxies to have formed

Sandhya Ramesh -
Located 9.3 billion light years away, the galaxy is the first to have been observed in the extreme UV environment and it offers insights into the conditions of the early universe.

Hubble telescope turns 30 — here’s a look at 5 iconic images it beamed back from space

Mohana Basu -
The Hubble Space Telescope was launched on 24 April 1990. In the past 30 years, the telescope captured some iconic images from intergalactic spars to massive blackholes.
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Opinion

Economy

File photo of Sterlite copper unit at Tuticorin in Tamil Nadu | By special arrangement

Shut since 2018 violence, TN Sterlite plant’s closure cost economy Rs 14,749 cr, says study

Shubham Batra -
Copper plant in Thoothukudi was closed after protests turned violent & police firing left 13 people dead. Job losses one of major impacts, says study by NGO CUTS International.

Defence

Representational image | Indian Army soldiers during the Army Day Parade at Cariappa Parade Ground in New Delhi | ANI Photo

Army looks to reduce troops by 2 lakh, deployment in Kashmir could be rejigged

Snehesh Alex Philip -
The Army, which faces a shortage of about 1.35 lakh personnel, is aiming to reduce its strength from 12.8 lakh to around 10.8 lakh.

National Interest

In Kashmir 3 years on, 3 positive changes, 3 things that should’ve happened & 3 that got worse

Shekhar Gupta -
Kashmir as a crisis has fallen off our headlines and from the top of our collective minds. Which is precisely the most important change for the better.

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