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"We didn't know what exactly to expect from these first observations – the sun's poles are literally terra incognita,” Sami ...
The Daniel K. Inouye Solar Telescope captured the sharpest-ever images of the sun’s surface, revealing ultra-fine bright and ...
Sunspot AR3186 erupted with an X1-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...
The sun has been photographed and imaged many times, but never from the top or bottom.
How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What ...
Although the repeating cycle of sunspots was first seen in the mid-18th century, the fact that the Sun went through cycles ...