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Our sun—three different wavelengths

From March 20-23, 2018, NASA's Solar Dynamics Observatory captured three sequences of our sun in three different extreme ultraviolet wavelengths. The resulting images illustrate how different features that appear in one sequence ...

dateApr 11, 2018 in Space Exploration
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Eclipse season starts for NASA's SDO

On Sunday, Feb. 11, 2018, NASA's Solar Dynamics Observatory, or SDO, saw a total solar eclipse in space when Earth crossed its view of the Sun. Also known as a transit, Earth's passage was brief, lasting from 2:10 a.m. to ...

dateFeb 13, 2018 in Space Exploration
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Image: NASA's SDO spots a lunar transit

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 ...

dateOct 23, 2017 in Space Exploration
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SDO witnesses a double eclipse (w/ video)

Early in the morning of Sept. 1, 2016, NASA's Solar Dynamics Observatory, or SDO, caught both Earth and the moon crossing in front of the sun. SDO keeps a constant eye on the sun, but during SDO's semiannual eclipse seasons, ...

dateSep 02, 2016 in Space Exploration
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SDO status update—Aug. 4, 2016

UPDATE, Aug. 4, 2016 (3:26 p.m. EDT) - Two of SDO's three science instruments - the Helioseismic and Magnetic Imager, or HMI, and the Extreme Ultraviolet Variability Experiment, or EVE - are online and sending science data ...

dateAug 04, 2016 in Space Exploration
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Image: Eclipse season begins for NASA's SDO

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 ...

dateMar 01, 2016 in Space Exploration
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