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Comparison of common display resolutions. Ultrawide formats refers to photos, videos, [1] and displays [2] with aspect ratios greater than 2. There were multiple moves in history towards wider formats, including one by Disney, [3] with some of them being more successful than others.
The HD or 720p resolution of 1280 × 720 pixels stems from high-definition television (HDTV), where it originally used 50 or 60 frames per second. With its 16:9 aspect ratio, it is exactly 2 times the width and 1 + 1 / 2 times the height of 4:3 VGA ( 640 × 480 ), which shares its aspect ratio and 480 line count with NTSC .
Therefore, the NASA pictures are legally in the public domain. Photographs and other NASA images should include the NASA image number if you have it, for easy reference. When accessing space photographs, be sure that you know the source. Pictures not produced by NASA employees may have different usage restrictions.
NASA astronaut Jeffrey N. Williams on Expedition 13, with various floating photography equipment in Zvezda module Image of the clouds and Moon in the distance, by a Kodak DCS760C An example of digital photography by Donald Pettit on Expedition 30. It is a long exposure photo showing star trails. Astronaut Jessica Meir undergoing photography ...
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NASA TV (originally NASA Select) was the television service of the National Aeronautics and Space Administration (NASA). It was broadcast by satellite with a simulcast over the Internet . Local cable television providers across the United States and amateur television repeaters carried NASA TV at their own discretion, as NASA-created content is ...
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This initiative has received support from NASA, the National Science Foundation, and MTU. The images are sometimes authored by people or organizations outside NASA, and therefore APOD images are often copyrighted, unlike many other NASA image galleries. [4] When the APOD website was created, it received a total of 14 page views on its first day.