Get all your news in one place.
100's of premium titles.
One app.
Start reading
WEKU
WEKU
Ashley Ahn

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

NASA's Solar Dynamics Observatory captured an image of the sun "smiling" in 193 angstrom light on Oct. 26. (NASA/GSFC/SDO)

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.

Video

The sun's dark patches, known as coronal holes, are sources of rapid solar wind streams.

Sign up to read this article
Read news from 100's of titles, curated specifically for you.
Already a member? Sign in here
Related Stories
Top stories on inkl right now
One subscription that gives you access to news from hundreds of sites
Already a member? Sign in here
Our Picks
Fourteen days free
Download the app
One app. One membership.
100+ trusted global sources.