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Eclipse Season Starts for NASA’s SDO 5nvklj

Eclipse Season Starts for NASA’s SDO 9tpt39


Eclipse Season Starts for NASA’s SDO

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Eclipse Season Starts for NASA’s SDO Empty Eclipse Season Starts for NASA’s SDO

Post by Dragon Wed Feb 14, 2018 3:40 pm

Eclipse Season Starts for NASA’s SDO Sdotransitfeb11
Credits: NASA’s Goddard Space Flight Center/SDO/Joy Ng

On Sunday, Feb. 11, 2018, NASA’s SDO saw a total solar eclipse in space. These images were taken in a wavelength of extreme ultraviolet light, a type of light that is typically invisible to our eyes, but is colorized here in purple.

So marks the beginning of SDO’s eclipse season — as well as the mission’s eighth launch anniversary. SDO’s eclipse season is a three-week period that comes twice a year near the equinoxes during which Earth blocks SDO’s view of the Sun for a short while each day. The eclipses are fairly short near the beginning and end of the season but ramp up to 72 minutes in the middle. Most spacecraft observing the Sun from an orbit around Earth have to contend with such eclipses. SDO’s orbit is designed to maximize the amount of data the spacecraft can send back to Earth, but twice a year Earth gets in the way of the spacecraft’s view. The spring eclipse season began on Feb. 10 with a partial eclipse and concludes March 5, 2018.

Source / Image Courtesy


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