NASA released a new astronomical image of the day. On Tuesday, it became an image called A Multiple Green Flash Sunset. The authors are Slovak photographer Tomáš Slovinský and Czech photographer Petr Horálek from the Institute of Physics in Opava. The image was taken on April 9, 2022 at the Cerro Tololo High Altitude Observatory in Chile.
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Multi green sunset flash | Photo: P. Horálek, T. Slovinský | Source: NASA
“The green flash at sunset is a rare event that many sun-watchers are proud of. Once thought of as a myth, it is now understood that the green flash occurs when the Earth’s atmosphere acts as a prism and lens. The different layers of the atmosphere refract light from the top of the Sun Depending on the height, its colors disperse, create two images and magnify them just enough to make the thin strip appear green before it disappears,” NASA described the phenomenon.
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The successful picture was created during an international photography trip to Cerro Tololo Pan American Observatory in Chile. The capture was largely the result of luck and the flexible response of both photographers.
Both photographers were at the observatory inside An international expeditionin which the Institute of Physics of the University of Silesia in Opava was also involved.
The photo session itself was completely effective. As the sun was nearing the horizon, Peter Horalek realized that a phenomenon called a green flash might be occurring, and he quickly set about setting up his camera.
On the other hand, Tomáš Slovinský immediately began manually focusing the telephoto lens on which the camera was mounted. This fast and fluid collaboration between photographers produced a unique shot in a split second.
“Since the phenomenon lasts only a few milliseconds, we had to react quickly. The last rays of the sun brought us the desired reward. It was not the green flash we expected, but a whole series of very rare and rare green flashes,” added Tomasz Slovinský, co-author of the film.
This is the 12th NASA image of the day he co-authored Opava Institute of Physics.
NASA’s Picture of the Day for Astronomy
Astronomy Picture of the Day (APOD) is a prestigious award for the most interesting astronomical photos of the day.
This is carefully selected for each day and then supplemented with enlightening descriptions by editors Jerry Bunnell of Michigan Technological University and Robert Nemiroff of the University of Maryland, collaborators with NASA.
APOD’s motto is “Discover the Universe” and since 1995, when Select was launched, it has become one of the most recognizable signs of its kind worldwide.
Expert comments on photos are translated into 23 world languages, including Czech. On social networks, APOD reaches 1 million visitors per day.
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