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Cosmic ray visual phenomena, or light flashes ( LF ), also known as Astronaut's Eye, are spontaneous flashes of light visually perceived by some astronauts outside the magnetosphere of the Earth, such as during the Apollo program. While LF may be the result of actual photons of visible light being sensed by the retina, [1] the LF discussed here ...
Health threats from cosmic rays are the dangers posed by cosmic rays to astronauts on interplanetary missions or any missions that venture through the Van-Allen Belts or outside the Earth's magnetosphere. [ 1][ 2] They are one of the greatest barriers standing in the way of plans for interplanetary travel by crewed spacecraft, [ 3][ 4][ 5] but ...
Lyrics detail the mundane lives of New Yorkers on their way to their jobs and the immediate change they faced after the attacks, describing the empty sky without the towers as a "broken city sky, stolen from [his] eyes" and the towers themselves as "steel corpses stretched out towards an ending sun."
Thanks to the rapid development of telescopes, amateurs are working with technology that professionals didn’t have just 20 years ago, let alone 80, said Forrest Sims, an amateur astronomer from ...
Many babies are born with blue eyes, and then their eyes change color as their genes continue to develop. ... or grey eyes. Science is still working on how we get those. All blue-eyed people can ...
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...
Red-eye effect seen on a teenager. The red-eye effect in photography is the common appearance of red pupils in color photographs of the eyes of humans and several other animals. It occurs when using a photographic flash that is very close to the camera lens (as with most compact cameras) in ambient low light.
Adaptation (eye) In visual physiology, adaptation is the ability of the retina of the eye to adjust to various levels of light. Natural night vision, or scotopic vision, is the ability to see under low-light conditions. In humans, rod cells are exclusively responsible for night vision as cone cells are only able to function at higher ...