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| WikiPedia definition of "zenithal" |
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In astronomy, the Zenithal Hourly Rate (ZHR) of a meteor shower is the number of meteors an observer would see in one hour under a clear, dark sky (limiting apparent magnitude of 6 ...
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The circumzenithal arc or circumzenith arc (CZA), also called the Bravais' arc, is an optical phenomenon similar in appearance to a rainbow and arising from refraction of sunlight ...
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The zenithal bistable device (ZBD), developed by QinetiQ (formerly DERA), can retain an image without power. The crystals may exist in one of two stable orientations (Black and ...
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Die Zenithal Hourly Rate (ZHR) eines Meteorstroms ist die Anzahl der Meteore, die ein Beobachter in einer Stunde unter einem klaren, dunklen Himmel (Grenzgröße 6,5 ...
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... René de Ruyter) " Starparty" (with Robert Smit) " The Tellurians" (with Robert Smit, John Matze & René de Ruyter) " Veracocha" (with Vincent De Moor) " Vimana" (with Tiësto) " Zenithal" ...
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There, at a latitude of about 15 ° N, the Sun passes through zenith twice a year, and there are 260 days between zenithal passages, and gnomons (used generally for observing the path ...
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Den Zenithal Hourly Rate (ZHR) vun engem Meteorstroum ass d’Zuel vun de Meteore, déi eng Observatioun an enger Stonn ënner engem kloren donklen Himmel (Grenzgréisst 6,5 ...
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De Zenithal hourly rate (ZHR) is een maat voor de activiteit van een meteorenzwerm. De ZHR geeft het aantal met het blote oog zichtbare meteoren weer, dat per uur kan worden ...
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There, at a latitude of about 15 ° N, the Sun passes through zenith twice a year, and there are 260 days between zenithal passages, and gnomons (used generally for observing the path ...
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... by several researchers such as Vincent Malmström identifies a correlation between the 260-day cycle and an observable natural phenomenon concerns the 260-day gap between zenithal ...
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