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This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...
Apogee Books, an imprint of Canadian publishing house Collector's Guide Publishing; Apogee Electronics, a manufacturer of digital audio hardware systems; Apogee Software, a video game publisher and developer now known as 3D Realms; Apogee Entertainment, a video game publisher that acquired the rights to the name and logo from 3D Realms
r a is the radius at apoapsis (also "apofocus", "aphelion", "apogee"), i.e., the farthest distance of the orbit to the center of mass of the system, which is a focus of the ellipse. r p is the radius at periapsis (or "perifocus" etc.), the closest distance.
The moon’s orbit around our planet is not perfectly round, but instead elliptical, ranging from an apogee—meaning when it’s farthest from the Earth—of about 405,000 km (252,000 mi.), to a ...
Apogee (disambiguation) Argument of periapsis; Perigea, a genus of moths; Perigean spring tide; Perigee moon or supermoon; Perigeo, an Italian progressive rock group
The lunar apogee calculated from its current position (disregarding solar perturbation), as opposed to its mean position. [34] symbols related to Lilith: White Moon, or Selena ⯝ U+2BDD: Russian astrologer Pavel Globa invented this to serve as the symbolic opposite of the Black Moon in the 1980s. [34] True White Moon, or Arta ⯟ U+2BDF
The word poecilonym is a rare synonym of the word synonym. It is not entered in most major dictionaries and is a curiosity or piece of trivia for being an autological word because of its meta quality as a synonym of synonym. Antonyms are words with opposite or nearly opposite meanings.
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