On Oct. 19, 2017, the Moon photobombed NASA's Solar Dynamics Observatory, or SDO, when it crossed the spacecraft's view of the Sun, treating us to these shadowy images. The lunar transit lasted about 45 minutes, between 3:41 ...
Space Exploration
Oct 23, 2017
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On July 5, 2017, NASA's Solar Dynamics Observatory watched an active region—an area of intense and complex magnetic fields—rotate into view on the Sun. The satellite continued to track the region as it grew and eventually ...
Space Exploration
Aug 7, 2017
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On May 5, 2017, scientists will launch a sounding rocket 200 miles up into the atmosphere, where in just five minutes, it will take 1,500 images of the sun. The NASA-funded RAISE mission is designed to scrutinize split-second ...
Space Exploration
May 4, 2017
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Researchers are investigating novel ways by which electrons are knocked out of matter. Their research could have implications for radiation therapy.
General Physics
Dec 7, 2016
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On Oct. 19, 2016, operators instructed NASA's Solar Dynamics Observatory, or SDO, to look up and down and then side to side over the course of six hours, as if tracing a great plus sign in space. During this time, SDO produced ...
Space Exploration
Nov 4, 2016
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From SDO's point of view, the sun appears to be shaking slightly – but not because the solar observatory was spooked by this near-Halloween sight.
Space Exploration
Nov 1, 2016
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In the same way that two eyes give humans a three-dimensional perception of the world around us, the twin spacecraft of NASA's Solar Terrestrial Relations Observatory mission, or STEREO, enable us to understand the sun in ...
Space Exploration
Oct 26, 2016
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Massive arches of solar material brighten and stream over an active region on the sun's surface in this animation of imagery captured by NASA's Solar Dynamics Observatory, or SDO, on Sept. 29, 2016.
Space Exploration
Oct 6, 2016
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By crossing two counter-rotating ultrafast laser beams in a gas target, scientists controlled the direction and polarization of laser-like beams in the extreme ultraviolet and soft x-ray portions of the spectrum. This represents ...
Optics & Photonics
Aug 8, 2016
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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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