1. Sub-orbital spaceflightA sub-orbital space flight is a spaceflight in which the spacecraft reaches space, but its trajectory intersects the atmosphere or surface of the gravitating body from which it was launched, so that it does not complete one orbital revolution. For example, the path of an object launched from Earth that reaches 100 km (62 mi) above sea level, and then falls back to Earth, is considered a sub-orbital spaceflight.
Read “Sub-orbital spaceflight” on English Wikipedia
Read “弾道飛行” on Japanese Wikipedia
Read “Sub-orbital spaceflight” on DBpedia
Read “Sub-orbital spaceflight” on English Wikipedia
Read “弾道飛行” on Japanese Wikipedia
Read “Sub-orbital spaceflight” on DBpedia
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