Friday, 27 May, 2022
TopicEarth

Topic: Earth

Third planet discovered around Sun’s closest star, Proxima Centauri

Sandhya Ramesh -
The planet named Proxima d orbits Proxima Centauri every 5 days. It's estimated to be just about a quarter of Earth’s mass, making it one of the lightest 'exoplanets'.

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.

Russian rocket stage could re-enter earth’s atmosphere today, weeks after failed test launch

Sandhya Ramesh -
The Persei upper stage of Russia’s new Angara A5 rocket will fall back into earth’s atmosphere on Wednesday or Thursday after a failed test flight two weeks ago. 

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.

New mineral from deep inside Earth found trapped in a diamond

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 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.

Earth’s inner core is growing more on one side than the other – but the planet isn’t tipping

Jessica Irving -
Earth’s core was formed very early in our planet’s 4.5 billion-year history, within the first 200 million years.

Water lakes were found at Martian South Pole in 2018. New findings say it was frozen clay instead

Sandhya Ramesh -
In 3 papers published over a month, different teams reanalysed the 2018 Mars Express orbiter data to state that frozen clay, not salt water lakes, produced radar signals.

‘Mia’, this bearded vulture is the world’s first bird to get a prosthetic foot

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

Red star Betelgeuse, one of the brightest, not going supernova soon. It just coughed up dust

Sandhya Ramesh -
The bright red star underwent a Great Dimming in 2019-20, prompting some astronomers to speculate if it would go supernova. Findings help us understand giant stars better.
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Economy

Gautam Adani’s food venture Adani Wilmar is best-performing IPO in Asia

Filipe Pacheco -
The food company has almost tripled since its debut and outperformed 121 Asian initial public offerings worth over $100 million this year.

Defence

Representative image of Indian Army personnel | Commons

Army accuses Pakistan of ‘deceit under garb of LoC ceasefire’ as infiltration bid is foiled

Snehesh Alex Philip -
Three terrorists were killed Thursday while they were attempting an infiltration into J&K's Keran sector from Pakistan-occupied Kashmir.

National Interest

Mandir or Masjid? New surveys not needed, just acceptance of truth & move towards reconciliation

Shekhar Gupta -
That temples were destroyed and mosques built is undisputed history. The past can’t be changed, but we can’t deny the wrongs of the past either before we consider reconciliation.

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