An international team of researchers from United Kingdom, Denmark, and Germany has found robust evidence for signatures of the 11-year sunspot cycle in the tropical Pacific. They analyzed historical time series of pressure, ...
Earth Sciences
Mar 29, 2019
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Violent activity on our Sun leads to some of the most extreme space weather events on Earth, impacting systems such as satellites, communications systems, power distribution and aviation. The roughly 11-year cycle of solar ...
Astronomy
Aug 17, 2021
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For some years now, an unorthodox idea has been gaining favor among astronomers. It contradicts old teachings and unsettles thoughtful observers, especially climatologists.
Space Exploration
Feb 5, 2010
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New research from the Energy Department's National Renewable Energy Laboratory (NREL) quantifies the potential impacts of increasing wind and solar power generation on the operators of fossil-fueled power plants in the West. ...
Energy & Green Tech
Sep 24, 2013
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On Sep. 1, 1859, solar astronomer Richard Carrington witnessed sunspots that suddenly and briefly flashed brightly before they disappeared. Just before dawn the next day, auroras erupted over most of the Earth, reaching as ...
Space Exploration
Jul 11, 2019
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Hydrogen molecules may act as a kind of energy sink that strengthens the magnetic grip that causes sunspots, according to scientists from Hawaii and New Mexico using a new infrared instrument on an old telescope.
Astronomy
Jan 31, 2012
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Near Earth's surface, increasing concentrations of carbon dioxide in the atmosphere are causing temperatures to rise. But starting around 60 kilometers (37 miles) up, in the outermost layers of atmosphere called the mesosphere ...
Earth Sciences
Nov 18, 2022
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The Northern Lights have fascinated human beings for millennia. In fact, their existence has informed the mythology of many cultures, including the Inuit, Northern Cree, and ancient Norse. They were also a source of intense ...
Space Exploration
Sep 26, 2016
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(Phys.org)—A pair of researchers with Aberystwyth University in the U.K. has used data from NASA's Solar Dynamics Observatory to learn more about how the sun's corona behaves over differing stages of its 11-year cycle. ...
(Phys.org) —The first observations of the complete magnetic cycle of a star other than the Sun are proving a puzzle to astronomers. Tau Boötis, known as Tau Boo (τ Boo), is a yellowish star that is a little brighter than ...
Astronomy
Jul 4, 2013
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