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- Cosmic_ray_visual_phenomena abstract "Cosmic ray visual phenomena, also referred to as phosphenes or "light flashes", are spontaneous flashes of light visually perceived by astronauts outside the magnetosphere of the Earth, such as during the Apollo program. Researchers believe that cosmic rays are responsible for these flashes of light, though the exact mechanism is unknown. Hypotheses include one or all of: Cherenkov radiation created as the cosmic ray particles pass through the vitreous humor of the astronauts' eyes, direct interaction with the optic nerve, or direct interaction with visual centres in the brain.Astronauts almost always reported that the flashes were white, with one exception in which the astronaut observed "blue with a white cast, like a blue diamond." There were a few different types of flashes: "spots" and "stars" were observed 66% of the time, "streaks" were observed 25% of the time, and "clouds" were observed 8% of the time. Once their eyes became adapted to the dark, Apollo astronauts reported seeing this phenomenon once every 2.9 minutes on average. They also reported that they observed the phenomenon more frequently during the transit to the Moon than during the return transit to Earth. Jerry Linenger reported that during a solar storm, they were directional. They interfered with sleep since closing eyes would not help, so Linenger had to lie down in a particular orientation.During the Apollo 16 and Apollo 17 transits, astronauts conducted the ALFMED Experiment where an astronaut wore a helmet designed to capture the tracks of cosmic ray particles to determine if they coincided with the visual observation. Examination of the results showed that two of fifteen tracks coincided with observation of the flashes. These results in combination with considerations for geometry and Monte Carlo estimations led researchers to conclude that the visual phenomenon were indeed caused by cosmic rays.More recently, the SilEye/Alteino and ALTEA projects have investigated the phenomenon aboard the International Space Station, using helmets similar in nature to those in the ALFMED experiment.".
- Cosmic_ray_visual_phenomena wikiPageExternalLink ALFMED.htm.
- Cosmic_ray_visual_phenomena wikiPageExternalLink S4CH2.htm.
- Cosmic_ray_visual_phenomena wikiPageID "1364633".
- Cosmic_ray_visual_phenomena wikiPageLength "3312".
- Cosmic_ray_visual_phenomena wikiPageOutDegree "24".
- Cosmic_ray_visual_phenomena wikiPageRevisionID "636457062".
- Cosmic_ray_visual_phenomena wikiPageWikiLink ALFMED_Experiment.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Adaptation_(eye).
- Cosmic_ray_visual_phenomena wikiPageWikiLink Apollo_16.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Apollo_17.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Apollo_program.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Astronaut.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Category:Apollo_program.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Category:Cosmic_rays.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Category:Radiation_health_effects.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Category:Vision.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Cherenkov_radiation.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Cosmic_ray.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Dark_adaptation.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Earth.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Human_eye.
- Cosmic_ray_visual_phenomena wikiPageWikiLink International_Space_Station.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Jerry_Linenger.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Jerry_M._Linenger.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Light.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Magnetosphere.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Microwave_auditory_effect.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Moon.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Phosphene.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Sprite_(lightning).
- Cosmic_ray_visual_phenomena wikiPageWikiLink Visual_perception.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Vitreous_humor.
- Cosmic_ray_visual_phenomena wikiPageWikiLink Vitreous_humour.
- Cosmic_ray_visual_phenomena wikiPageWikiLinkText "Cosmic ray visual phenomena".
- Cosmic_ray_visual_phenomena wikiPageWikiLinkText "cosmic ray visual phenomena".
- Cosmic_ray_visual_phenomena wikiPageWikiLinkText "flashes or streaks of light".
- Cosmic_ray_visual_phenomena wikiPageWikiLinkText "flashes".
- Cosmic_ray_visual_phenomena hasPhotoCollection Cosmic_ray_visual_phenomena.
- Cosmic_ray_visual_phenomena wikiPageUsesTemplate Template:Astronomy-stub.
- Cosmic_ray_visual_phenomena wikiPageUsesTemplate Template:Reflist.
- Cosmic_ray_visual_phenomena wikiPageUsesTemplate Template:Use_dmy_dates.
- Cosmic_ray_visual_phenomena wikiPageUsesTemplate Template:Visual_phenomena.
- Cosmic_ray_visual_phenomena subject Category:Apollo_program.
- Cosmic_ray_visual_phenomena subject Category:Cosmic_rays.
- Cosmic_ray_visual_phenomena subject Category:Radiation_health_effects.
- Cosmic_ray_visual_phenomena subject Category:Vision.
- Cosmic_ray_visual_phenomena hypernym Flashes.
- Cosmic_ray_visual_phenomena type Astrophysic.
- Cosmic_ray_visual_phenomena type Determinant.
- Cosmic_ray_visual_phenomena type Effect.
- Cosmic_ray_visual_phenomena type Mission.
- Cosmic_ray_visual_phenomena type Physic.
- Cosmic_ray_visual_phenomena type Program.
- Cosmic_ray_visual_phenomena type Programme.
- Cosmic_ray_visual_phenomena comment "Cosmic ray visual phenomena, also referred to as phosphenes or "light flashes", are spontaneous flashes of light visually perceived by astronauts outside the magnetosphere of the Earth, such as during the Apollo program. Researchers believe that cosmic rays are responsible for these flashes of light, though the exact mechanism is unknown.".
- Cosmic_ray_visual_phenomena label "Cosmic ray visual phenomena".
- Cosmic_ray_visual_phenomena sameAs m.04wz7c.
- Cosmic_ray_visual_phenomena sameAs Q5174146.
- Cosmic_ray_visual_phenomena sameAs Q5174146.
- Cosmic_ray_visual_phenomena wasDerivedFrom Cosmic_ray_visual_phenomena?oldid=636457062.
- Cosmic_ray_visual_phenomena isPrimaryTopicOf Cosmic_ray_visual_phenomena.