Shortly after 4 a.m. on a crisp, cloudless September morning in 1859, the sky above what is currently Colorado erupted in bright red and green colors. Fooled by the brightness into thinking it was an early dawn, gold-rush ...
Space Exploration
Mar 29, 2018
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84
The more solar observatories, the merrier: Scientists have developed new models to see how shocks associated with coronal mass ejections, or CMEs, propagate from the Sun—an effort made possible only by combining data from ...
Space Exploration
Mar 9, 2018
1
219
A dramatic magnetic power struggle at the Sun's surface lies at the heart of solar eruptions, new research using NASA data shows. The work highlights the role of the Sun's magnetic landscape, or topology, in the development ...
Space Exploration
Feb 23, 2018
3
63
Living near a star is risky business, and positioning a spacecraft near the sun is a very good way to observe rapidly changing solar activity and deliver early warning of possibly harmful space weather. ESA is now looking ...
Space Exploration
Feb 5, 2018
0
34
Space physicists at University of Wisconsin-Madison have just released unprecedented detail on a bizarre phenomenon that powers the northern lights, solar flares and coronal mass ejections (the biggest explosions in our solar ...
General Physics
Jan 30, 2018
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545
sunspots are regions on the sun's photosphere that appear darker than surrounding areas because they are cooler, usually by one or two thousand degrees Celsius. These spots are temporary phenomena caused by magnetic activity ...
Astronomy
Dec 18, 2017
0
27
September 2017 saw a spate of solar activity, with the Sun emitting 27 M-class and four X-class flares and releasing several powerful coronal mass ejections, or CMEs, between Sept. 6-10. Solar flares are powerful bursts of ...
Space Exploration
Oct 27, 2017
1
250
There are currently about fifty known exoplanets with diameters that range from Mars-sized to several times the Earth's and that also reside within their stars' habitable zone – the orbital range within which their surface ...
Astronomy
Oct 23, 2017
16
40
An unexpectedly strong blast from the Sun hit Mars this month, observed by NASA missions in orbit and on the surface.
Space Exploration
Sep 30, 2017
3
571
When Comet C/2013 A1 (Siding Spring) passed just 140,000 kilometres from Mars on 19th October 2014, depositing a large amount of debris in the martian atmosphere, space agencies coordinated multiple spacecraft to witness ...
Space Exploration
Sep 21, 2017
3
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