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For the first time, scientists 'see' black holes swallowing neutron stars


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New Delhi: In a first, an international team of scientists, including researchers from India, have confirmed the detection of a collision between a black hole and a neutron star, by analysing the gravitational waves created by two such events in January last year.
Gravitational waves are ripples in the space-time fabric created by extreme events, such as the collision of two blackholes or two neutron stars. While gravitational waves from several such collisions have been detected since the first discovery in 2015, they have all been a result of collision between similar cosmic bodies.
However, now the team has determined that these waves detected last January were a result of a neutron star being swallowed whole by its black hole partner. ....

United States , New Delhi , Tamil Nadu , Andhra Pradesh , Îe De France , West Bengal , Poulomi Banerjee , Astrid Lamberts , Ozgrav Swinburne , Carl Knox , Jupiter Mars , Bhooshan Gadre , Chennai Mathematical Institute , Indian Institute Of Science Education , University Centre For Astronomy , Research Pune , Institute For Plasma Research In Gandhinagar , International Centre For Theoretical Sciences , Max Planck Institute For Gravitational Physics , Research Kolkata , India Scientific Collaboration , Inter University Centre , International Centre , Theoretical Sciences , Indian Institute , Science Education ,

G7 should end not just coal but also oil and gas finance in 2021


Any views expressed in this opinion piece are those of the author and not of Thomson Reuters Foundation.
Ahead of summit, more than 100 economists call on G7 countries to commit to shift their finance out of all fossil fuels this year, to enable a green pandemic recovery
On June 11-13, world leaders will gather at the G7 summit. There, they plan to adopt an agenda to
“build back better from coronavirus and create a greener, more prosperous future”. We, the undersigned economists, believe that this means decisively shifting finance out of fossil fuels, and into clean alternatives worldwide. We welcome the decision taken last month by G7 environment ministers to end international finance to coal-fired power in 2021. We call on G7 leaders to go further and shift their finance out of all fossil fuels in 2021. ....

United States , Crawford School , France General , United Kingdom , New Delhi , New School , Champagne Ardenne , Noord Holland , University College , New South Wales , Nova University , New Brunswick , Zuid Holland , Tamil Nadu , The Netherlands , Robert Costanza , Mark Paul , Catherine Boemare , Evan Friedman , Arianna Briganti , Juliet Schor , Michel Husson , Emilie Rademakers , Michael Jacobs , Alain Grandjean , Clair Brown ,