Deep ocean currents around Antarctica headed for collapse, study finds
The deep ocean circulation that forms around Antarctica could be headed for collapse, say scientists.
Earth Sciences
Mar 29, 2023
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Page 2 - News tagged with cold gas
Discovery of relativistic jets blowing bubbles in the central region of the Teacup galaxy
When matter falls into supermassive black holes in the centers of galaxies, it unleashes enormous amounts of energy and is called an active galactic nuclei (or AGN). A fraction of AGN release part of this energy as jets that ...
Astronomy
Mar 21, 2023
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Astronomers observe scorching gas cloud surrounding a galactic protocluster
Astrophysicists using W. M. Keck Observatory on Maunakea in Hawaiʻi have discovered a galaxy protocluster in the early universe surrounded by gas that is surprisingly hot.
Astronomy
Mar 15, 2023
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Extreme wildfires are turning the world's largest forest ecosystem from carbon sink into net-emitter
The vast boreal forests of the Northern Hemisphere stretch from Scandinavia through Siberia, Alaska and Canada. They cover a tenth of the world's land but hold one-third of the land's carbon, stored mainly in organic-rich ...
Earth Sciences
Mar 6, 2023
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Study: Methane emissions in Arctic diversify the diets of marine ecosystems living in productive shallow-marine areas
It is well established that deep-sea ecosystems living in natural cold seep sites around the world thrive in areas where their only food source is limited to the uptake of carbon through chemosynthesis. However, it wasn't ...
Ecology
Nov 17, 2022
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Even a limited nuclear war could devastate the world's oceans: Here's what our modeling shows
The US and Russia have recently agreed to hold talks on the New START Treaty, the only accord left regulating the two largest nuclear arsenals in the world. While this is undoubtedly good news, we must not allow it to lull ...
Earth Sciences
Nov 17, 2022
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Ozone hole grows this year, but still shrinking in general
The Antarctic ozone hole last week peaked at a moderately large size for the third straight year—bigger than the size of North America—but experts say it's still generally shrinking despite recent blips because of high ...
Environment
Oct 13, 2022
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Europe heading for warmer-than-average winter: forecaster
Europe faces a higher-than-usual chance of a cold blast of weather before the end of the year, but the winter overall is likely to be warmer than average, the continent's long-range weather forecaster said Thursday.
Environment
Oct 13, 2022
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Why do galaxies stop making stars? A huge collision in space provides new clues
Six billion years ago, two galaxies were colliding, their combined forces hurling a stream of gas hundreds of thousands of light years away. Reported this week by a team including Pitt astronomers, that unusual feature provides ...
Astronomy
Sep 3, 2022
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Customized magneto-optical trap allows for cooling indium atoms to near absolute zero
A team of researchers at the National University of Singapore has developed a customized magneto-optical trap (MOT) to cool indium atoms to near absolute zero. In their paper published in the journal Physical Review A, the ...
