Many people hope to catch a glimpse of these reddish-green swirls of colour floating in the polar skies. Few are as lucky as ESA astronaut Tim Peake, who captured this dazzling display of the aurora Australis from the International ...
Space Exploration
Mar 6, 2019
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11
Most NASA missions feature one spacecraft or, occasionally, a few. The agency's Sun Radio Interferometer Space Experiment (SunRISE) uses half a dozen. This month, mission members completed the construction of the six identical ...
Astronomy
Nov 30, 2023
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8
Sunspots are the most noticeable manifestation of solar magnetic field concentrations in the photosphere. A typical mature sunspot has an umbra and a penumbra. Light bridges (LBs) are the strip-like bright features, two ends ...
Astronomy
Jan 18, 2023
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36
You don't get to swim in the sun's atmosphere unless you can prove you belong there. And the Parker Solar Probe's Faraday cup, a key sensor aboard the $1.5 billion NASA mission launching this summer, earned its stripes last ...
Space Exploration
Apr 30, 2018
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18
University of Michigan researchers will play a central role in NASA's upcoming Geospace Dynamics Constellation mission—a first-of-its-kind look at a protective outer layer of Earth's atmosphere and how it interacts with ...
Planetary Sciences
Jul 20, 2022
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21
The eruption of a solar filament produces a coronal mass ejection, which is a major driver of space weather. Understanding how filaments erupt is thus essential for space weather forecasting.
Astronomy
Sep 7, 2022
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77
A public consultation on space weather, an area of interest to many RAS Fellows, is currently under way.
Space Exploration
Sep 23, 2014
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1
Space enthusiasts are invited to become scientists to help identify massive solar eruptions by watching video clips recorded in space.
Space Exploration
Sep 20, 2017
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5
Our sun, like many stars, is adorned with a crown. It's called a corona (Latin for "crown" or "wreath") and consists of long, thread-like strands of plasma billowing out from the sun's surface. The powerful magnetic field ...
Astronomy
Apr 2, 2024
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29
Ph.D. candidate Zhang Xiaojuan and Prof. Deng Linhua from Yunnan Observatories of the Chinese Academy of Sciences investigated the temporal variation of the hemispheric distribution of long-term sunspot activity during the ...
Astronomy
May 24, 2022
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