1 of 6

Slide Notes

DownloadGo Live

Summer's Atmospheric Wonders

Published on Nov 18, 2015

While the summer season ushers in higher temperatures and sunshine, it also brings forth the best chance to view some of Earth's natural, stratospheric wonders: noctilucent clouds and sprites.


Summer's Atmospheric Wonders

Noctilucent Clouds & Sprites 

Noctilucent Clouds

Shine at twilight near the polar latitudes (Flickr/Nick Bramhall)

These clouds form approx. 80-90 km above Earth's surface (Flickr/RockyRaybell)

Best Viewing:

After sunset, before dark (Flickr/Timo Newton-Syms)


Upside-down lightning bolts above thunderstorms (Flickr/Mike Lewinski)

- Last 1/1,000th of a second
- Occur 50 miles up in the atmosphere; not visible to human eye
-Appear red (Flickr/Mike Lewinski)