Wednesday, 6 July, 2022
TopicAsteroids

Topic: asteroids

‘Fluffy’ crab from Australia that wears sea sponge like a hat named after Darwin’s ship

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

Sample from speeding asteroid shows its made of stuff similar to that which formed the Sun

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

Earth has a second ‘Trojan’ asteroid, will share its orbit for next 4,000 years

Sandhya Ramesh -
Trojans are asteroids that share orbit with a planet. The second Earth Trojan was detected in 2020 and has been named 2020 XL5. The first had been found a decade earlier, in 2010.

NASA launches DART mission to crash into asteroid, results could help defend Earth some day

Sandhya Ramesh -
The DART mission will crash a space probe into the asteroid Dimorphos to test human capability to protect the planet against near earth objects.

This quasi-satellite of Earth could actually be a piece of Moon, astronomers say

Sandhya Ramesh -
Quasi-satellites are asteroids that orbit the Sun with orbital period similar to that of the Earth’s. From Earth’s perspective, they appear to orbit the Earth instead.

Asteroid with shortest orbital period in solar system spotted & human DNA from 7,200 years ago

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

Water vapour found in Ganymede’s atmosphere & the origin of the asteroid that killed dinosaurs

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

Dinosaurs were already in decline before the asteroid wiped them out

Fabien Condamine -
Many palaeontologists believe that if the dinosaurs had survived, primates and therefore humans would never have appeared on Earth.

Earth-like planet discovered 26 light years away, with an atmosphere

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

Why we’re never going to mine the asteroid belt

David Fickling -
People are shooting for the stars, but those who declined to fund the expansive plans of the nascent space mining industry were right about the fundamentals.
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Opinion

Currently, India provides pensions for the elderly on the basis of the National Pensions Scheme | Representative Image | Wikimedia Commons

Giving up on NPS a tragedy for state govts. DB pensions are ad hoc, delay fiscal stress

Renuka Sane -
Several of the problems of the National Pensions Scheme can be easily remedied. The solution to fiscal stress isn't going back two decades ago.

Highway upgrade, droughts in one state affect housing demand in another, study shows

M23 rebels in the eastern Democratic Republic of Congo | Source: Flickr

Cobalt, copper, China: India should pay more attention to the savage violence in Congo

Economy

Illustration by Soham Sen

Keep calm and carry on: Unlike wheat, rice isn’t hot yet

Sayantan Bera -
The world is worried that India might restrict exports of rice after wheat, pushing prices higher and worsening global food security.

Defence

File photo of a defence personnel armed with a SiG 716 rifle near the Line of Control | Photo: Snehesh Alex Philip | ThePrint

Army puts out tender for 30k ‘night sights’ so its US-made assault rifles can aim better in dark

Raghav Bikhchandani -
While an open tender has been issued for procurement of the optical instruments, Bengaluru-based firm Tonbo Imaging, whose services the Army has previously used, is a frontrunner.

National Interest

Moral, political & ideological questions on Maharashtra: 1st is simplest to answer, 3rd trickiest

Shekhar Gupta -
What is Shiv Sena’s ideology? We might say it’s been a convenient mix of extreme ethnic chauvinism & unforgiving Hindutva. Within the second, the party retained space to manoeuvre.

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