Thursday, 30 June, 2022
TopicSun

Topic: Sun

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

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'.

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

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.

Astronomers discover first planet that survived its star’s death, still orbits white dwarf

The planet, situated 6,500 light years away, is like Jupiter in size and relative location. The discovery indicates that some of our solar system's planets could survive the death of the Sun.

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

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.

Rainbow-coloured sun halo has Bengaluru photographing the sky today. This is how it formed

A sun halo is more common than rainbows and comes in many shapes and sizes, including a standard circular halo.

185-year-old paintings reveal new snake species in Tamil Nadu

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

World’s oldest water found in Canada, Oxford researchers say it dates back 1.6 billion years

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

NASA’s Perseverance rover sends back laser sounds from Mars

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

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

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.

Solar Orbiter captures closest photos of Sun ever taken, scientists discover ‘camp fires’

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

On Camera

YourTurn

Representational image | Islam devotees offer Friday prayers during Ramadan, Patna, April 2022 | PTI

Quran says no one can limit others’ freedom. Udaipur killing violates Islam’s golden rule

Throughout history, Islamic scholars have uniformly agreed that respecting and obeying the law of the land is an essential aspect of faith.
The Reserve Bank of India logo | Photo: Suraj Singh Bisht | ThePrint

RBI intervenes with multi-pronged strategy in battle against rupee fall

The Reserve Bank’s challenges include crashes in forward dollar premiums to rising open interest in futures that adds to pressure on the currency.

Defence

The Indian Air Force logo | Commons

Almost 4,000 enrol for IAF’s Agnipath recruitment scheme on day 1 of online registrations

These registrations pertain to the Indian Air Force's Agniveer Vayu programme. The online portal for the first phase was opened at 10 am Friday, and will close on 5 July.

With Agnipath, Modi govt’s shock & awe doctrine may have misfired a vital reform, yet again

Modi govt's biggest flaw has been its disinclination to accept limitations of electoral majorities. This ruined land acquisition and farm reform, stalled labour codes.
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