NASA caught the sun smiling down on us, but the grin could signal a solar storm

“NASA’s Solar Dynamics Observatory (SDO) this week captured an image of the sun in ultraviolet light featuring three dark patches that look like a smiling face — a face that could signal a solar storm with problems for Earth.”

Read the full article and view a video of the Sun at npr.org.

Author Credit: Ashley Ahn

Image Credit: NASA’s Solar Dynamics Observatory captured an image of the sun “smiling” in 193 angstrom light on Oct. 26. NASA/GSFC/SDO