Dr. Xu Zhe, Prof. Yan Xiaoli and colleagues from the Yunnan Observatories of the Chinese Academy of Sciences have revealed how an active region (AR) evolves, re-configures the upper coronal structures, and eventually contributes ...
Astronomy
Sep 28, 2022
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2
The Artemis I mission, set to launch on 29 August, will mark a significant step in humankind's return to the moon.
Space Exploration
Aug 26, 2022
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20
Solar flares are solar storm events driven by magnetic field in the solar activity area. When this flare radiation comes to the Earth's vicinity, the photo-ionization increases the electron density in the D-layer of the ionosphere, ...
Astronomy
Aug 19, 2022
0
31
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
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493
Six of NASA's SunRISE small satellites will work together, creating the largest radio telescope ever launched to detect and track hazardous explosive space weather events.
Astronomy
Aug 9, 2022
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9
Zeta Ophiuchi has had an interesting life. It began as a typical large star about twenty times more massive than the sun. It spent its days happily orbiting a large companion star until its companion exploded as a supernova ...
Astronomy
Jul 29, 2022
6
168
The Solar Ultraviolet Imager, or SUVI, onboard NOAA's GOES-18 satellite, which launched on March 1, 2022, began observing the sun on June 24, 2022. SUVI monitors the sun in the extreme ultraviolet portion of the electromagnetic ...
Astronomy
Jul 21, 2022
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10
Something is happening to the sun. One of the regions of the solar atmosphere currently exhibiting sunspots caught the attention of observatories on July 11, when there was a sudden increase in ultraviolet and X-ray brightness. ...
Astronomy
Jul 21, 2022
1
273
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
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37
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
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