Large changes in the sun's energy output may drive unexpectedly dramatic fluctuations in Earth's outer atmosphere.
Earth Sciences
Aug 26, 2010
18
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(PhysOrg.com) -- Earth's ozone layer should eventually recover from the unintended destruction brought on by the use of chlorofluorocarbons (CFCs) and similar ozone-depleting chemicals in the 20th century. But new research ...
Earth Sciences
Apr 10, 2009
6
0
Starting in 536 A.D., the sky went dark for more than a year. In some parts of Europe and Asia, the sun only shone for about four hours a day, and "accounts say the sun gave no more light than the moon," says Dallas Abbott, ...
Earth Sciences
Dec 18, 2019
1
22
Ozone levels above the Arctic reached a record low for March, NASA researchers report. An analysis of satellite observations show that ozone levels reached their lowest point on March 12 at 205 Dobson units.
Environment
Apr 16, 2020
1
23
About 66 million years ago a mountain-sized asteroid hit what is now the Yucatan in Mexico at exactly the time of the Cretaceous-Paleogene (K-Pg) mass extinction. Evidence for the asteroid impact comes from sediments in the ...
Earth Sciences
Mar 26, 2013
2
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Scientists at the University of East Anglia have identified four new man-made gases in the atmosphere – all of which are contributing to the destruction of the ozone layer.
Earth Sciences
Mar 9, 2014
12
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The evolution of Earth's climate contains many components. And new research has shown just how critical the ozone layer is to the surface temperature of the Earth. Without an ozone layer, our planet would be 3.5 Kelvin cooler.
Planetary Sciences
Jun 14, 2023
0
25
The Antarctic ozone hole, which yawns wide every Southern Hemisphere spring, reached its annual peak on September 12, stretching 10.05 million square miles, the ninth largest on record. Above the South Pole, the ozone hole ...
Earth Sciences
Oct 20, 2011
0
0
It is widely known that black carbon, or soot, aerosol particles emitted from South Asia are spread across the northern Indian Ocean during the winter monsoon season.
Earth Sciences
Oct 5, 2016
0
0
The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up - and behind the whole thing are the magnetic ...
Space Exploration
Nov 11, 2009
6
0
