Amitabh Sinha

Amitabh Sinha is Resident Editor, Pune. He writes on Environment, Climate Change, Water, Science and Technology, Space and Nuclear affairs, and related stuff. He has worked with PTI, Reuters, and BBC before joining The Indian Express in 2007. Amitabh has a PG Diploma in Journalism from IIMC, New Delhi, and a Masters in Public Administration from National University of Singapore.

Articles By Amitabh Sinha

What black hole image tells us

When scientists ‘photographed’ an invisible black hole: the image captures the area around it, generated from data collected by a set of telescopes, and provides a platform for understanding black holes better.

Black Hole: From where no light can escape

The more massive a body, the bigger and deeper the size of the curvature it creates in space-time. Consequently, the higher is the escape velocity required to pull away from its gravity.

Seeing the unseeable: First image of a black hole released

Scientists had to build an elaborate and complex network of massive telescopes around the world, and devise ingenious new techniques, to piece together a picture that now provides the first visual evidence of a black hole.

Mild El Niño may hamper monsoon

Latest bulletins from weather agencies across the world show that a mild El Niño currently prevailing in the equatorial Pacific Ocean was likely to continue till the monsoon, and possibly the rest of the year as well.

India’s ASAT test created debris, raised risk for International Space Station: NASA

NASA sees risk to ISS after India's Mission Shakti: The ISS is at constant risk of collision from space debris, and once in a while needs to navigate away in order to avoid collisions.

Space debris from Indian satellite: NASA’s worry, and why risk is low

According to the European Space Agency, there are about 34,000 objects of size 10 cm or above in space, another 90,000 of objects of sizes between 1 and 10 cm, and a further 128 million of sizes between 1 mm and 10 mm.

Explained: What makes PSLV-C45 special

Among unique features: satellites placed in 3 different orbits, rocket’s final stage as satellite for some time.

Shooting down live satellite, India enters strategic Space

While the test places India in a select group of countries with such strategic strength, this capability has never been used by any country against its enemy and the use of space for wars is deeply abhorred by the entire international community.

Pokharan parallel: Capability was there but why test was key

Mission Shakti: In an election season when everything is up for contest, questions have been raised whether this test could have happened earlier.

Explained: The ABC of India’s anti-satellite missile test

Why shooting down a satellite, apart from being a technology stride, gives India a new strategic weapon

Explained: What Mission Shakti means for India, the controversy around anti-satellite tests

Mission Shakti: India successfully carried out the test of anti-satellite missile by bringing down one of its satellites in the low earth orbit. What does this mean?

El Niño rising: Will it affect the Indian monsoon?

The status of El Niño at this time of the year is usually the first indication of the kind of rainfall that is to be expected during the monsoon season later in the year.

Explained: India’s policy shift in sharing Indus waters with Pakistan

Since the terrorist attack in Uri in 2016, India has worked to ensure it utilises its full claim under the Indus Waters Treaty. Several stalled projects have been revived, and many have been put on the fast track.

Efforts to fast-track irrigation projects yield mixed results

Many of these projects had completed over 90 per cent of the works last year itself but have still not been able to carry out the remaining works.

Explained: Magnetic north pole drifting fast towards Russia

Explained: How it is different from geographic north, why it is drifting fast towards Russia, what that could lead to

Explained: Why Kalamsat V-2 is both a small step and a giant leap for India in space

A 12-member team, comprising youngsters mostly in the age of 19 and 21 years, built the satellite.

Caesium-137: A radioactive isotope that was lost and found in Andhra

The mysterious disappearance of the 1 ft × 1 ft box had triggered concern and some panic, as both police and ONGC officials searched frantically for it. Here's why.

India’s first human space flight likely to have woman on board

For the human space flight, ISRO is building a spacecraft that can accommodate up to three astronauts and can remain in space for up to seven days. But Sivan hinted that the first flight may not be full.

At climate talks, Indian line ignores its own official’s objection to equal norms

In his intervention, India’s lead negotiator, Ravi Shankar Prasad, who is a joint secretary in the Environment Ministry, said that the objection to the provisions was on the grounds that it did not reflect the principle of equity.

Explained: What’s in climate change rules

Katowice conference finalises rulebook for implementing 2015 Paris Agreement. A look at what was finalised in the effort to restrict rise in global temperature, and where ground remains to be covered.