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 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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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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The 2016 spring eclipse season of NASA's Solar Dynamics Observatory began Feb. 19, 2016. These seasons – a time when Earth blocks SDO's view of the sun for a period of time each day – last around three weeks and happen ...
Space Exploration
Mar 1, 2016
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These images from NASA's Solar Dynamic Observatory, or SDO, show magnetically active regions on the sun on Jan. 8-9, 2016. When such regions are close-set, magnetic field lines create a tangle of arches snaking through the ...
Space Exploration
Jan 22, 2016
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On Sept. 13, 2015, as NASA's Solar Dynamics Observatory, or SDO, kept up its constant watch on the sun, its view was photobombed not once, but twice. Just as the moon came into SDO's field of view on a path to cross the sun, ...
Space Exploration
Sep 15, 2015
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The Atmospheric Imaging Assembly (AIA) instrument aboard NASA's Solar Dynamics Observatory (SDO) images the solar atmosphere in multiple wavelengths to link changes in the surface to interior changes. Its data includes images ...
Space Exploration
May 25, 2015
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A dark, snaking line across the lower half of the sun in this Feb. 10, 2015 image from NASA's Solar Dynamics Observatory (SDO) shows a filament of solar material hovering above the sun's surface. SDO shows colder material ...
Space Exploration
Feb 12, 2015
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On Nov. 22, 2014 from 5:29 to 6:04 p.m. EST., the moon partially obscured the view of the sun from NASA's Solar Dynamics Observatory. This phenomenon, which is called a lunar transit, could only be seen from SDO's point of ...
Space Exploration
Nov 26, 2014
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