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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 ...
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 ...
An exaggerated apotropaic eye or a pair of eyes were painted on Greek drinking vessels called kylikes from the 6th century BCE up until the end of the end of the classical period. The exaggerated eyes may have been intended to prevent evil spirits from entering the mouth while drinking.
The explosion will be visible to the naked eye on Earth and enable new science. ... years for its light to reach the Earth, meaning the explosion occurred before the last of the Egyptian pyramids ...
The seven rays is a concept that has appeared in several religions and esoteric philosophies in both Western culture and in India since at least the sixth century BCE. [1]In occidental culture, it can be seen in early Western mystery traditions, such as Gnosticism and Mithraism, and in texts and iconic art of the Catholic Church as early as the Byzantine Empire.
Atmospheric optics. A colorful sky is often due to indirect sunlight being scattered off air molecules and particulates, like smog, soot, and cloud droplets, as shown in this photo of a sunset during the October 2007 California wildfires. Atmospheric optics is "the study of the optical characteristics of the atmosphere or products of ...
Cosmic ray antiprotons also have a much higher average energy than their normal-matter counterparts (protons). They arrive at Earth with a characteristic energy maximum of 2 GeV, indicating their production in a fundamentally different process from cosmic ray protons, which on average have only one-sixth of the energy. [65]
2001: A Space Odyssey. Since its premiere in 1968, the film 2001: A Space Odyssey has been analysed and interpreted by numerous people, ranging from professional movie critics to amateur writers and science fiction fans. The director of the film, Stanley Kubrick, and the writer, Arthur C. Clarke, wanted to leave the film open to philosophical ...