On April 17, 2016, an active region on the sun's right side released a mid-level solar flare, which can be seen in this movie as a bright flash of light.
Space Exploration
Apr 26, 2016
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The Solar and Heliospheric Observatory (SOHO) has been watching the Sun for almost 20 years. In that time it has seen solar activity ramp up and die down repeatedly. Its Extreme ultraviolet Imaging Telescope has taken images ...
Space Exploration
Jul 13, 2015
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22
NASA's Solar Dynamics Observatory, which watches the sun constantly, captured these images of a significant solar flare – as seen in the bright flash on the left – peaking at 6:11 p.m. EDT on May 5, 2015.
Space Exploration
May 7, 2015
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90
When, in 1833, Constantin Wilhelm Lambert Gloger published his key observation that warm-blooded animals tend to be more heavily pigmented or darker the closer they live to the equator, he probably didn't realize the degree ...
Plants & Animals
Jan 8, 2015
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9
The sun emitted a significant solar flare on Oct. 19, 2014, peaking at 1:01 a.m. EDT. NASA's Solar Dynamics Observatory, which is always observing the sun, captured this image of the event in extreme ultraviolet wavelength ...
Space Exploration
Oct 21, 2014
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(Phys.org) —You cannot look at the sun without special filters, and the naked eye cannot perceive certain wavelengths of sunlight. Solar physicists must consequently rely on spacecraft that can observe this invisible light ...
Space Exploration
Aug 21, 2014
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(Phys.org) —An international team of researchers succeeds in generating flashes of extreme ultraviolet radiation via the reflection from a mirror that moves close to the speed of light.
General Physics
Apr 24, 2013
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Along with pollutants from Asia, transpacific dust plumes deliver vast quantities of microbes to North America, according to a manuscript published online ahead of print in the journal Applied and Environmental Microbiology.
Cell & Microbiology
Dec 17, 2012
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(Phys.org)—NIST's ability to test and calibrate sensors in the extreme ultraviolet (EUV) range – wavelengths of key importance to space-weather observations and microchip lithography, among other fields – is about to ...
General Physics
Oct 17, 2012
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The space between the galaxies wasn't always transparent. In the earliest times, it was an opaque, dense fog. How it cleared is an important question in astronomy. New observational evidence from the University of Michigan ...
Astronomy
Oct 12, 2011
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