Gorgeous images of our sun captured by NASA’s space-based Solar Dynamics Observatory (SDO) have been issued as postage stamps by the U.S. Postal Service. The colorful “Sun Science” collection, which ...
According to the post office, "One of the stamps highlights sunspots, two feature images of coronal holes, two show coronal loops, two depict plasma blasts, one is a view of an active sun that ...
The U.S. Postal Service has issued a new set of stamps celebrating 10 years of sun-watching from the National Aeronautics and Space Administration's (NASA) Solar Dynamics Observatory (SDO). On June 18 ...
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