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The planet Mercury is seen in silhouette, lower left of image, as it transits across the face of the sun, Monday, May 9, 2016, as viewed from Boyertown, Pennsylvania. Mercury passes between Earth and the sun only about 13 times a century, with the previous t…
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The planet Mercury is seen in silhouette, lower center of image, as it transits across the face of the sun, Monday, May 9, 2016, as viewed from Boyertown, Pennsylvania. Mercury passes between Earth and the sun only about 13 times a century, with the previous…
Ver en NASA ↗The planet Mercury is seen in silhouette, lower third of image, as it transits across the face of the sun Monday, May 9, 2016, as viewed from Boyertown, Pennsylvania. Mercury passes between Earth and the sun only about 13 times a century, with the previous t…
Ver en NASA ↗The planet Mercury is seen in silhouette, lower left, as it transits across the face of the sun Monday, May 9, 2016, as viewed from Boyertown, Pennsylvania. Mercury passes between Earth and the sun only about 13 times a century, with the previous transit tak…
Ver en NASA ↗The planet Mercury is seen in silhouette, lower left of image, as it transits across the face of the sun, Monday, May 9, 2016, as viewed from Boyertown, Pennsylvania. Mercury passes between Earth and the sun only about 13 times a century, with the previous t…
Ver en NASA ↗NASA's Solar Dynamics Observatory shows a long-lasting coronal hole has again rotated around to face the Earth (Nov. 28-30, 2018).
Ver en NASA ↗NASA's Solar Dynamics Observatory shows a long lunar transit on Mar. 6, 2019.
Ver en NASA ↗NASA's Solar Dynamics Observatory spied a substantial coronal hole begin to rotate into view over Dec. 1-2, 2016. Coronal holes are magnetically open areas of the sun magnetic field structure that spew streams of high speed solar wind into space.
Ver en NASA ↗For much of this week the sun featured three substantial coronal holes observed by NASA's Solar Dynamics Observatory April 3-6, 2018. These are areas of open magnetic field from which high speed solar wind rushes out into space.
Ver en NASA ↗NASA's Solar Dynamics Observatory observed an active region on June 19th, quickly growing in size over two days June 20-22, 2018. Active regions are areas of enhanced magnetic activity on the Sun's surface, generating the huge loops and dynamic surges.
Ver en NASA ↗Large, eruptive prominence in He II at 304Å, with an image of the Earth added for size comparison. This prominence from 24 July 1999 is particularly large and looping, extending over 35 Earths out from the Sun. Erupting prominences (when Earthward directed) c…
Ver en NASA ↗Solar material repeatedly bursts from the sun in this close-up captured on July 9-10, 2016, by NASA’s Solar Dynamics Observatory, or SDO. The sun is composed of plasma, a gas in which the negative electrons move freely around the positive ions, forming a powe…
Ver en NASA ↗ISS013-E-05884 (11 April 2006) --- A setting sun and the thin blue airglow line at Earth’s horizon was captured in this image photographed by an Expedition 13 crewmember from a window on the International Space Station. Station solar array panels are vi…
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Ver en NASA ↗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, Earth entered the picture, blockin…
Ver en NASA ↗This artist image depicts a faraway solar system like our own except for one big difference. Planets and asteroids circle around not one, but two suns. NASA Spitzer Space Telescope found evidence that such solar systems may be common in the universe.
Ver en NASA ↗A giant arch of plasma rose up out of the Sun and then stretched itself until it had reached back to a point behind our view of the Sun (Sept, 17-18, 2014). Since it emerged from a magnetically intense active region, the arch is likely connecting to another a…
Ver en NASA ↗A relatively small active region erupted twice in 18 hours on Mar. 2, 2018, as observed by NASA's Solar Dynamics Observatory. After each burst, one can see the magnetic fields lines, which appear as bright coils, spiraling around the region.
Ver en NASA ↗NASA's Solar Dynamics Observatory shows that a large coronal hole began to emerge and intensify (Sept. 4-6, 2018).
Ver en NASA ↗One broad active region sported a wonderful example of coiled magnetic field lines over almost a four-day period observed by NASA's Solar Dynamics Observatory during July 15-18, 2016.
Ver en NASA ↗NASA's Solar Dynamics Observatory took this close-up view of one day in the life of a rather small active region shows the agitation and dynamism of its magnetic field Dec. 21, 2016.
Ver en NASA ↗A good-sized active region with bright, towering arches began to rotate into NASA's Solar Dynamics Observatory's view (Apr. 18-19, 2018).
Ver en NASA ↗Contenido y metadatos proporcionados por la NASA Image and Video Library.