Parsecs to UK Leagues


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Astronomers used trigonometry to calculate the distance to stars long before the term parsec was coined, but the new unit made it easier to conceptualise unfathomable distances.

A parsec is the distance from the sun to an astronomical object which has a parallax angle of one arcsecond (1/3600 of a degree). The parallax angle is found by measuring the parallax motion (or apparent movement of a star relative to stable, more distant stars) when the star is observed from opposite sides of the Sun (an interval of six months on Earth). The parallax angle is obtained by halving the angular difference in measurements.

Once the parallax angle is established you can calculate the distance to a star using trigonometry, because we know Earth’s distance from the Sun. The distance from the Sun of a body with a parallax angle of 1 arcsecond was thus defined as a unit and, thanks to Turner, named the parsec.

With the parsec defined, deriving and describing huge distances became easy, since a distance in parsecs can be calculated as the reciprocal of the parallax angle in arcseconds (if the parallax angle is 1 arcsecond, the object is 1 pc from the sun. 0.5 arcseconds means the object is 2 pc distant).

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UK lg =
pc * 6387400000000

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Pársecs a Leguas británicas :: Parsecs en Lieues britanniques :: Parsec in Britische Leugen :: Parsecs em Léguas britânicas :: Parsecs a Leghe imperiali :: Parsecs naar Imperiale Leugas :: Парсеки в Лиги (Великобритания) :: 秒差距 到 英式裏格 :: 秒差距 到 英式里格 :: パーセク から リーグ(イギリス) :: 파섹에서 영국 리그으로 :: Parsec till Brittiska League :: Parsecs til Britiske leagues :: Parsec til Britisk league :: Parsec do Legua (pěší hodina) Velká Británie :: Parsec a Llegües britàniques :: Παρσέκ για Βρετανικές Λεύγες :: Parseki do Ligi lądowe (UK) :: Parsek v Britanska liga :: Parsec do Legua (pešia hodina) Veľká Británia :: Parszek to Britt legua :: Парсеки в Лиги (Великобритания) :: Parsecs em Léguas britânicas :: Parallaksisekuntit = Brittiläiset leguat :: Парсеци у Британске лиге :: Parsekai įDB Lygos :: पारसेक्स से ब्रिटेन लीग को :: Parseci u Britanske lige :: парсэкi ў Лігі (Вялікабрытанія) :: Parsek në Lega britanike :: Парсеки в Ліги (Великобританія) :: Parseci în Leghe britanice :: parsekit to UK Liiga