Could lava tubes, caves, or subsurface habitats offer safe refuge for future astronauts on Mars? Scientists with NASA's Curiosity Mars rover team are helping explore questions like that with the Radiation Assessment Detector, ...
Space Exploration
Nov 16, 2021
0
96
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
Sending human travelers to Mars would require scientists and engineers to overcome a range of technological and safety obstacles. One of them is the grave risk posed by particle radiation from the sun, distant stars and galaxies.
Space Exploration
Aug 26, 2021
6
4200
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
Middle-aged stars can experience their own kind of midlife crisis, experiencing dramatic breaks in their activity and rotation rates at about the same age as our Sun, according to new research published today in Monthly Notices ...
Astronomy
Jul 28, 2021
5
291
A new approach to analyzing the development of magnetic tangles on the Sun has led to a breakthrough in a longstanding debate about how solar energy is injected into the solar atmosphere before being released into space, ...
Astronomy
Jul 21, 2021
50
324
Scientists from the University of Graz, Kanzelhöhe Observatory, Skoltech, and the World Data Center SILSO at the Royal Observatory of Belgium, have presented the Catalog of Hemispheric sunspot Numbers. It will enable more ...
Astronomy
Jul 19, 2021
0
8
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
Since the launch of Sputnik, the Earth's first artificial satellite, in 1957, more than 41,500 tons of manmade objects have been placed in orbit around the sun, the Earth, and other planetary bodies. Since that time, the ...
Astronomy
May 12, 2021
3
13
NASA's STEREO-A and ESA/NASA's SOHO spacecraft detected a coronal mass ejection, or CME, leaving the sun on April 17 at 12:36 p.m. EDT. This CME did not impact Earth but did move toward Mars, passing the planet in the late ...
Astronomy
Apr 23, 2021
1
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