NASA's beach ball coronagraph
What's better at blocking sunlight: a traditional flat occulter disk or a beach ball?
Space Exploration
Nov 10, 2015
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Page 25 - News tagged with coroners
Image: Solar coronal hole welcomes the new year
There were no fireworks on the sun to welcome in the New Year and only a few C-class flares during the last day of 2014. Instead, the sun starts 2015 with an enormous coronal hole near the south pole. This image, captured ...
Space Exploration
Jan 5, 2015
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New findings facilitate solar storm forecasting based on dimming of sun's corona
Researchers have developed new methods for using coronal dimmings observed in the solar corona for early diagnosis of powerful bursts of plasma from the sun.
Astronomy
Oct 9, 2023
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Moderate solar flare erupts from the sun, but likely won't affect Earth
While this solar peak has been weaker than usual, from time to time we get a moderate punch from the Sun. Here's an example—what NASA calls a "mid-level" solar flare blasting off the Sun at 8:16 a.m. EDT (1:16 p.m. UTC) ...
Space Exploration
Aug 26, 2014
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Solar storm near Earth caused by fast CME
On March 17, 2013, at 1:28 a.m. EDT, the coronal mass ejection (CME) from March 15 passed by NASA's Advanced Composition Explorer (ACE) as it approached Earth. Upon interacting with the giant magnetic bubble surrounding Earth, ...
Space Exploration
Mar 18, 2013
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Video: Solar snake spotted slithering across sun's surface
Solar Orbiter has spotted a "tube" of cooler atmospheric gases snaking its way through the sun's magnetic field. The observation provides an intriguing new addition to the zoo of features revealed by the ESA-led Solar Orbiter ...
Astronomy
Nov 14, 2022
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NASA rocket carrying solar X-ray scanner set to launch
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
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NOAA's DSCOVR going to a 'far out' orbit
Many satellites that monitor the Earth orbit relatively close to the planet, while some satellites that monitor the sun orbit our star. DSCOVR will keep an eye on both, with a focus on the sun. To cover both the Earth and ...
Space Exploration
Jan 26, 2015
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New coronal mass ejection simulations hold promise for future of space weather forecasting
Coronal mass ejections (CMEs) are massive expulsions of magnetic flux into space from the solar corona, the ionized atmosphere surrounding the sun. Magnetic storms arising from CMEs pose radiation hazards that can damage ...
Space Exploration
Mar 1, 2016
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Researchers describe the emergence of a coronal mass ejection from mini flux tubes
[VID=55657]Coronal mass ejections originating from the sun and propagating through interplanetary space are responsible for turbulent space weather. They can have severe effects on Earth, leading to disturbances in air traffic ...
Space Exploration
Mar 7, 2019
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