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Wednesday, November 5, 2025
TopicAstronomy

Topic: astronomy

Back to the future: Govt launches national contest to recreate India’s traditional astronomy tools

Indian Knowledge Systems division calls students & firms to recreate astronomical instruments mentioned in classical Sanskrit texts. Selected instruments could be showcased to startups.

Subrahmanyan Chandrasekhar’s stellar limit was called absurd. It got him 1983 Physics Nobel

No direct observations of any star exceed the Chandrasekhar limit. The theoretical physicist's calculations have helped so far to understand supernovas, neutron stars, and black holes.

Jayant Narlikar on a universe with no beginning, why sky is blue & the classic astronomy-astrology mix-up

In a 2015 'Walk the Talk' with Editor-in-Chief Shekhar Gupta, the legendary astrophysicist who died Tuesday explained his thoughts on Big Bang & how curiosity keeps a scientist young.

Amity school students witness rare planetary parade in Delhi—Saturn’s rings to Jupiter’s moons

Twenty students caught the celestial phenomenon despite fog and an AQI of 365.

Delhi is missing out on planetary parade due to pollution. Rest of India enjoys watch parties

When the planetary parade was at its best view in Kolkata, Bengaluru and Dehradun, the national capital recorded an AQI of 289. Light rain also impacted visibility in some parts of the city.

From heralding births of kings to spacecraft navigation, planetary parade’s over 2,000 yrs old history

By mid-February, Venus, Mars, Jupiter & Saturn, already visible to the naked eye, will be joined by Mercury, Neptune & Uranus in a rare 'planetary parade', officially called a syzygy.

Pune astronomers identify galaxy in Milky Way’s neighbourhood as ‘explosive factory’ of gamma rays

Kathryn’s Wheel was formed due to collision of 2 galaxies, but study published in The Astrophysical Journal Letters notes that star formation alone doesn't explain gamma ray emission.

India’s X-ray satellite system Daksha can settle the dark matter question

Daksha would be an invaluable tool to study flares from the Sun, X-rays from certain pulsating neutron stars, gamma-ray lightnings in the Earth's atmosphere, and so on.

North America prepares for total solar eclipse Monday. Wait for 2 years if you miss it

US will have clearest view, with Canada & Mexico also being able to sight phenomenon. Partial eclipse will be visible over northern parts of South America, Caribbean islands.

Indian students shine at international astronomy olympiad, win gold, silver and bronze

Aarush Mishra, Siddharth Kumar Gopal and Satwik Patnaik secured gold, silver and bronze medals, respectively, at the 2nd IOAA-Jr, an international competition of astronomy & astrophysics.

On Camera

Indians have a complicated relationship with Zohran Mamdani

Mamdani’s politics feels unusual compared to India’s current climate. He unapologetically foregrounds Muslim identity at a time when doing so in India invites scrutiny.

What does NCLAT order mean for data-sharing ban, penalty imposed by CCI on Meta & WhatsApp

On 4 November 2025, NCLAT bench, comprising Chairperson Justice Ashok Bhushan and Member Arun Baroka, noted that WhatsApp and Meta are distinct legal entities.

‘Let them see’: Putin says new nuclear-powered missiles in the making, in message to Washington

At a ceremony felicitating Russian military engineers, Putin highlights Moscow’s 'parity' in defence technologies for the next century.

Trump’s trade wars have rewritten powerplay, but India didn’t get the memo

This world is being restructured and redrawn by one man, and what’s his power? It’s not his formidable military. It’s trade. With China, it turned on him.