Credit: L. Calcada/EUROPEAN SOUTHERN OBSERVATORY/SCIENCE PHOTO LIBRARY

Restrictions: This clip may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way, or to imply the endorsement by ESO of any product, service or activity

Caption: Chemiluminescence mechanism, animation. Ultraviolet radiation from the Sun impacting the Earth's atmosphere causes a phenomenon known as chemiluminescence (green glow). During the day, the ultraviolet light destroys oxygen (red, O2) and nitrogen (blue, N2) molecules, triggering a chain of complex chemical reactions and creating new molecules. During the night, some of these molecules take part in further reactions and collisions, causing them to radiate light. This process is known as chemiluminescence. This animated video clip is from the European Southern Observatory (ESO)'s ESOcast. Animation published in 2015.

Release details: Model release not required. Property release not required.

Keywords: 4k, animated, animation, atmosphere, atmospheric chemistry, atomic, atoms, chemical, chemiluminescence, chemistry, formation, forming, gas, gases, mechanism, molecular, molecule, molecules, night, night-time, nitrogen, no-one, nobody, oxygen, reacting, reaction, reactions, sunlight, uhd, ultraviolet light, uv radiation

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Chemiluminescence mechanism, animation

K005/4044 Rights Managed

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Duration: 00:00:24

Frame size: 1920x1080

Frame rate: 25

Audio: No

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

File size: 494.1M

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Capture format: Digital Image Sequence

Frame size: 3840x2160

Codec: H.264

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