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Pages in category "Unexplained phenomena" The following 34 pages are in this category, out of 34 total. This list may not reflect recent changes.
Odd radio circle. In astronomy, an odd radio circle (ORC) is a very large (over 50 thousand times the diameter of our Milky Way ~ 3 million light years) unexplained astronomical object that, at radio wavelengths, is highly circular and brighter along its edges. [3] As of 27 April 2021, there have been five such objects (and possibly six more ...
Cosmic ray visual phenomena. 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 ...
An oddball new exoplanet, small but significant steps toward the future of spaceflight, and a mystery in the Kuiper Belt. Space is very big and quite often, very weird. Here’s what you may have ...
There are 293 confirmed moons in our cosmic neighborhood. By studying these worlds, astronomers hope to learn about ancient asteroid collisions, space volcanoes, and the origins of life itself.
The Atlas of Peculiar Galaxies is a catalog of peculiar galaxies produced by Halton Arp in 1966. A total of 338 galaxies are presented in the atlas, which was originally published in 1966 by the California Institute of Technology. The primary goal of the catalog was to present photographs of examples of the different kinds of peculiar ...
ESO 162-17 is an example of a peculiar galaxy which is 40 million light-years away in the constellation Carina. A peculiar galaxy is a galaxy of unusual size, shape, or composition. [ 1 ] Between five and ten percent of known galaxies are categorized as peculiar. [ 2 ]
The term "black hole" was used in print by Life and Science News magazines in 1963, [61] and by science journalist Ann Ewing in her article " 'Black Holes' in Space", dated 18 January 1964, which was a report on a meeting of the American Association for the Advancement of Science held in Cleveland, Ohio. [62][63]