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A light-year, alternatively spelled light year (ly or lyr [3]), is a unit of length used to express astronomical distances and is equal to exactly 9 460 730 472 580.8 km, which is approximately 9.46 trillion km or 5.88 trillion mi.
Posidonius calculated the Earth's circumference by reference to the position of the star Canopus.As explained by Cleomedes, Posidonius observed Canopus on but never above the horizon at Rhodes, while at Alexandria he saw it ascend as far as 7 + 1 ⁄ 2 degrees above the horizon (the meridian arc between the latitude of the two locales is actually 5 degrees 14 minutes).
It has a nearly round shape with the diameter varying between 11 and 18 km (6.8 and 11.2 mi) and giving an average value of 15 km (9.3 mi). [ 5 ] [ 14 ] The shores are winding and contain many small bays; there are many small sandy islands ( noko ), rocks and coral reefs off the coast with the size up to 600 m (2,000 ft). [ 3 ]
With this value for R the meridian length of 1 degree of latitude on the sphere is 111.2 km (69.1 statute miles) (60.0 nautical miles). The length of one minute of latitude is 1.853 km (1.151 statute miles) (1.00 nautical miles), while the length of 1 second of latitude is 30.8 m or 101 feet (see nautical mile).
Parung Panjang is a town and an administrative district (Indonesian: kecamatan) in the Bogor Regency of West Java Province, Indonesia and thus part of Jakarta's metropolitan area. Parung Panjang District covers an area of 64.65 km 2 , and had a population of 110,004 at the 2010 Census [ 2 ] and 118,176 at the 2020 Census; [ 3 ] the official ...
The 40th parallel north is a circle of latitude that is 40 degrees north of the Earth's equatorial plane.It crosses Europe, the Mediterranean Sea, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
Wadaslintang 1 Primary school (Sekolah Dasar 1 Wadaslintang) Wadaslintang 2 Primary school (Sekolah Dasar 2 Wadaslintang) Wadaslintang 3 Primary school (Sekolah Dasar 3 Wadaslintang) Hidayatussibyan Islamic primary school (Madrasah Ibtidaiyah Hidayatussibyan) Hidayatussibyan Islamic middle school (Madrasah Tsanawiyah Hidayatussibyan)
Uma houses are traditional vernacular houses found on the western part of the island of Siberut in Indonesia.The island is part of the Mentawai islands off the west coast of Sumatra.