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"The Light Spectrum"
This is an illustration of the electromagnetic spectrum. A special section describes the sensitivity of the human eye to visible light.
Open Flash Movie: The Light Spectrum

This movie first shows noctilucent clouds revealed at dusk to an observer on Earth. Then, it moves through the atmosphere and shows the clouds as they appear from outer space.

Duration: 23 seconds
File Format: mpg
File Size: 6.01 MB

Movie clip courtesy of NASA

You must download a helper application such as QuickTime, RealMedia, or Windows Media in order to view this movie.


"Strange Clouds" Audio Clip
This audio clip is a Science at NASA story entitled "Strange Clouds." Read by Tony Phillips.

Date: 18 February 2003
Duration: 6 minutes 44 seconds
File Format: mp3
File Size: 1.15 MB

Audio clip courtesy of NASA

To play MP3 files, you must download and install a helper application or plug-in such as QuickTime, Windows Media Player, or RealPlayer.

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NLC Photographs from Around the World

NASA For Students


Tech Museum: The Satellite Site by Lockheed Martin

NASA Spaceweather's 2004 Noctilucent Cloud Image Gallery

NASA's Sun-Earth Education Forum Logo

The AIM mission is a part of
NASA's Sun-Earth Connection Education Forum.

Responsible Official: James M. Russell III

Web Curator: Emily M. W. Hill
Emily Hill Designs