The same phenomenon recurs every year. During the dry season, in winter, burning fossil fuels and biomass in South Asia creates a huge pollution haze: the Atmospheric Brown Cloud. How and why it disappears as soon as the ...
Earth Sciences
Jun 20, 2018
0
60
(Phys.org) —Astronomers using the NASA/ESA Hubble Space Telescope have solved the 40-year-old mystery of the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around the Milky Way. New Hubble ...
Astronomy
Aug 8, 2013
49
0
Europa, a frozen moon around Jupiter, is believed to be one of the most habitable worlds in the solar system. It was first imaged in detail by the Voyager 1 probe in 1979, revealing a surface almost devoid of large craters. ...
Space Exploration
Jun 14, 2019
0
45
As part of the international CLOUD project at the nuclear research center CERN, researchers at PSI have identified so-called sesquiterpenes—gaseous hydrocarbons that are released by plants—as being a major factor in cloud ...
Earth Sciences
Sep 8, 2023
2
234
Volcanoes, colliding and spreading continental and oceanic plates, and other phenomena re-studied with innovative high-tech tools, provide important fresh insights to Earth's innermost workings, scientists say.
Earth Sciences
Oct 1, 2019
2
33
China has passed a law that levies taxes on pollution, but ignores carbon dioxide, one of the major contributors to global warming, according to the web site of the country's highest legislative body.
Environment
Dec 26, 2016
4
263
According to the theory, small clusters of molecules in the atmosphere have difficulty growing large enough to act as "cloud condensation nuclei" on which water droplets can gather to make our familiar low-altitude clouds. ...
Astronomy
Sep 4, 2013
8
0
(PhysOrg.com) -- A mysterious high-altitude layer of sulphur dioxide discovered by ESA's Venus Express has been explained. As well as telling us more about Venus, it could be a warning against injecting our atmosphere with ...
Space Exploration
Nov 30, 2010
15
0
An international team of astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered a variety of molecules, ranging from relatively simple ones like methane to complex compounds like acetic acid and ethanol, ...
Astronomy
Mar 13, 2024
0
108
Ethylene is a gaseous plant hormone which regulates a wide range of biological processes in plants. It is associated with the ripening processes in a number of fruits such as apples and pears. Better understanding of the ...
Materials Science
Mar 26, 2019
0
13
