Caption: This animation illustrates how dust particles with ice crystals form mesospheric clouds. Like clouds in other parts of the atmosphere, one element required for polar mesospheric clouds to form is tiny dust particles on which water vapor can accumulate and grow into ice crystals. Nearer to Earth's surface, clouds form from 'cloud condensation nuclei' that can be sea salt spray, desert dust, or other materials lofted from the surface.

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Keywords: 20 seconds or greater, astronomy, cloud, color image, digital animation, digitally generated image, discovery, dust and ice forming mesospheric clouds, exploration, extreme close-up, film, glowing, heat, horizontal, ice, ice crystal, infinity, mesosphere, mesospheric cloud, mystery, no people, origins, particle, science, space, speed, zoom in, zoom out

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Dust and ice forming mesospheric clouds

K001/0421 Rights Managed

Downloadable master

Duration: 00:00:27.06

Frame size: 1280x720

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 513.3M


Capture format: Digital Image Sequence

Codec: Photo - JPEG

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