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Different regions in the pulsar magnetosphere produce emissions of different states

Mode switching is an emission phenomenon in which the mean pulse profile abruptly switches between two or more stable states. Changes in current flow in the inner acceleration region or pulsar magnetosphere geometry can, in theory, result in mode switching. Dr. Sun Shengnan of the...

Three decades ago, world told to act now on climate

Our planet is facing the "potentially serious consequences" of global warming. UN experts urged to take immediate action to reduce greenhouse gas emissions. Planet-warming carbon pollution has increased more than ever. The first IPCC report was published 30 years ago In 1990, Intergovernmental Panel on Climate Change...

New study aims at calculating terrestrial carbon’s role in river and stream emissions

The interplay between the terrestrial carbon cycle and emissions of carbon dioxide from streams and rivers into the atmosphere is at the center of a new Yale School of the Environment-led study. The study aimed at calculating the amount for the global carbon emissions...

US sea levels to rise at a faster pace than in past 100 years

Oceans along the U.S. coastline will rise faster within the next three decades. It will rise faster than it did in the past 100 years. IT will bring more flooding to coastal cities such as New York and Miami. This is according to the...

Study investigates X-ray variability of the binary system HD 189733

Astronomers observed a binary system known as HD 189733. They have used ESA's XMM-Newton satellite. The study has been published in arXiv.org. The study delivers information regarding the peculiar X-ray variability of this binary. It is located 63 light years away from the Earth. HD 189733 is...

Astronomers find luminous supernova explosion

Another member of the "Cow" class of supernova explosions has been discovered. The new event, named AT2020mrf is the 5th found of the Cow class of supernovae. This group has been named after the first supernova which is AT2018cow. New investigation has found out active...