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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 ...
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.) In Helmholtz 's words: "Under suitable conditions light falling on the eye ...
T Coronae Borealis, also called the Blaze Star, is actually two stars — a hot, dense white dwarf, and a cooler red giant. The dwarf star, which ran out of fuel long ago and collapsed to roughly ...
August 1949. " Dark They Were, and Golden-Eyed " is a science fiction short story by American writer Ray Bradbury. It was originally published in the magazine Thrilling Wonder Stories in August 1949, under the title " The Naming of Names ". It was subsequently included in the short-story collections A Medicine for Melancholy and S Is for Space .
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 ...
Solawave 4-in-1 Radiant Renewal Wand. $110 $169. Save $59 with coupon at check out. The Solawave Radiant Renewal Wand is a red light therapy device that is best used daily when paired with your ...
The resulting eye is a mixture of a simple eye within a compound eye. Another version is the pseudofaceted eye, as seen in Scutigera. This type of eye consists of a cluster of numerous ocelli on each side of the head, organized in a way that resembles a true compound eye. Asymmetries in compound eyes may be associated with asymmetries in behaviour.
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