きょくきどう
極軌道
1. polar orbitAstronomy
2. Polar orbitA polar orbit is an orbit in which a satellite passes above or nearly above both poles of the body being orbited (usually a planet such as the Earth, but possibly another body such as the Sun) on each revolution. It therefore has an inclination of (or very close to) 90 degrees to the equator. Except in the special case of a polar geosynchronous orbit, a satellite in a polar orbit will pass over the equator at a different longitude on each of its orbits.
Read “Polar orbit” on English Wikipedia
Read “極軌道” on Japanese Wikipedia
Read “Polar orbit” on DBpedia
Read “Polar orbit” on English Wikipedia
Read “極軌道” on Japanese Wikipedia
Read “Polar orbit” on DBpedia
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