Measurements by ESA's long-serving twin missions, Mars Express and Venus Express, have captured the dance between the intensity of high-energy cosmic rays and the influence of the sun's activity across our inner solar system.
Astronomy
Dec 5, 2022
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176
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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15
For the first time in its eight years orbiting Mars, NASA's MAVEN mission witnessed two different types of ultraviolet aurorae simultaneously, the result of solar storms that began on Aug. 27.
Planetary Sciences
Nov 10, 2022
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44
The James Webb Space Telescope (JWST), launched on Christmas Day 2021, is already transforming our understanding of planets in our solar system and far beyond. A versatile satellite observatory, JWST has a clear-eyed view ...
Astronomy
Nov 7, 2022
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43
A University of Queensland study has shed new light on a mysterious, unpredictable and potentially devastating kind of astrophysical event.
Astronomy
Oct 25, 2022
4
408
Ever since humans could first observe sunspots about 400 years ago, we've been using them to try to define the solar cycle. Approximately every 11 years, solar activity such as sunspots and solar flares ebbs and flows, causing ...
Astronomy
Aug 10, 2022
1
493
U.S. Naval Research Laboratory scientists launched the second Strontium Iodide Radiation Instrument (SIRI-2) instrument in December 2021 onboard Space Test Program (STP) Sat-6. SIRI-2, a gamma-ray spectrometer, will demonstrate ...
Astronomy
Jul 13, 2022
0
37
A very small instrument has a big job ahead of it: measuring all Earth-directed energy coming from the sun and helping scientists understand how that energy influences our planet's severe weather, climate change and other ...
Space Exploration
Jul 5, 2022
0
28
Scientists from Skoltech and their colleagues from the University of Graz & the Kanzelhöhe Observatory (Austria), Hvar Observatory (Croatia), and the Belgian Solar-Terrestrial Center of Excellence—SILSO, Royal Observatory ...
Astronomy
Jul 1, 2022
1
168
A sunspot pointing toward Earth has the potential to cause solar flares, but experts told USA TODAY it's far from unusual and eased concerns over how flares would affect the Blue Planet.
Astronomy
Jun 22, 2022
1
443
