Shining clouds seen from space station - Tucson News Now

Shining clouds seen from space station

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Source: NASA Source: NASA

An astronaut aboard the International Space Station (ISS) snapped the below picture earlier this month.  

The picture shows noctilucent clouds. 

NASA explains below.

"Long, blue-white ripples appear in the atmosphere above the midnight sun. These are noctilucent or "night-shining" clouds. Some astronauts say these wispy, iridescent clouds are the most beautiful phenomena they see from orbit. Noctilucent clouds are best seen after sunset, when the viewer is on the night side of the day-night line and these high clouds are still lit by the Sun. Crews are trained in this somewhat complicated geometry of clouds being lit from beneath, the spacecraft in sunlight, and the ground below in darkness."

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