Tuesday, 29 November, 2022
TopicEarth

Topic: Earth

‘Planet killer’ asteroid to soon cross Earth’s orbit, but poses no threat yet

Earth will be on the other side of the Sun when the deadly asteroid swings by; it can, however, catch up with our planet centuries in the future.

Partial solar eclipse today — when to watch and which Indian cities will witness it

The eclipse is visible for most people across the country, provided visibility is clear, and should be viewed only with safe solar viewing glasses or handheld viewers.

Where did Earth’s early life forms get oxygen? Scientists finally have some answers

Tectonic plate movement could have provided oxygen to some of world's earliest life forms, suggests study by scientists at Newcastle University, UK, published in Nature Communications.

Ancient rocks reveal how Earth’s magnetic field bounced back to save life on the planet

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

How do we save our planet? A radical economic theory born in the 1970s might have a clue

While some argue that the practice of André Gorz's theory could detract important interventions, others say it's not that harmful.

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'.

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

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

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

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

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

File photo of smog in Delhi. Some doctors have called air pollution a bigger threat than Covid-19.| Photo: Suraj Singh Bisht | ThePrint

Air quality is better but not enough to banish air purifiers. Here are options for your room & car

What’s the solution for people who cannot leave Delhi? Air purifiers from Dyson's expensive range to Xiaomi's affordable ones can be of help.

NFRA to conduct audit quality inspections of five audit firms

New Delhi, Nov 16 (PTI) The National Financial Reporting Authority (NFRA) will carry out audit quality inspections of five audit firms, including the...

Defence

The Defence Services Staff College in Wellington | Image credit: dssc.gov.in

In a first, six women officers to enter prestigious Defence Services Staff College

As many as 15 women appeared for the examination, out of which six were selected, including one who has made it to the course along with her husband. 

Why military is more for asserting political will, not just about controlling territory

No matter what tactics, doctrine, or weapon system is used, the objective of any war is to control territory, argues Gen. MM Naravane (retd). But it's politics that matters most.