After the sun ejected a violent mass of fast-moving plasma into space on 9 October, ESA waited for the storm to strike. A few days later, the coronal mass ejection (CME) arrived at Earth, crashing into our planet's magnetosphere, ...
Planetary Sciences
Oct 19, 2021
0
85
A mass of solar material that erupted from the sun on Oct. 9, 2021, reached Earth on Oct. 12. The Earth-directed coronal mass ejection, or CME, elevated the Kp index, a measure of disturbance to Earth's magnetic field, to ...
Planetary Sciences
Oct 14, 2021
2
303
In our solar system, solar flares and coronal mass ejections (CME) are the most spectacular eruptive activities. Large solar flares and CMEs may bring us disastrous space weather, destroy our satellite and navigation system, ...
Astronomy
Sep 9, 2021
45
71
The Marshall Grazing Incidence X-ray Spectrometer, or MaGIXS, mission is about to take flight. The launch window opens at the White Sands Missile Range in New Mexico on July 30.
Space Exploration
Jul 29, 2021
0
374
Solar activities, such as CME(Coronal Mass Ejection), cause geomagnetic storms that disturb the Earth's magnetosphere. Geomagnetic storms can affect GPS positioning, radio communication, and power transmission system. Solar ...
Astronomy
Jun 15, 2021
0
121
The visible surface of the sun, or the photosphere, is around 6,000°C. But a few thousand kilometers above it—a small distance when we consider the size of the sun—the solar atmosphere, also called the corona, is hundreds ...
Astronomy
May 25, 2021
23
1059
The sun is the most important source of energy for sustaining life on Earth, but it gives us a lot more than just light and heat. It also gives us solar storms.
Astronomy
Mar 29, 2021
0
18
For well over a decade, ESA's SMOS satellite has been delivering a wealth of data to map moisture in soil and salt in the surface waters of the oceans for a better understanding of the processes driving the water cycle. While ...
Astronomy
Mar 25, 2021
0
30
These 366 images of the sun were made by ESA's Proba-2 satellite in 2020.
Space Exploration
Jan 7, 2021
0
14
The sun has entered its 25th solar cycle and is about to wake up. For the last few years our star has been pretty sleepy, with few sunspots, bright flares or massive ejections of magnetized plasma emanating from its surface. ...
Astronomy
Oct 30, 2020
1
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