| 翻訳と辞書 |
| List of human spaceflights by program ： ウィキペディア英語版 |
List of human spaceflight programs
This is a list of human spaceflight programs, including successful programs, programs that were canceled, and programs planned for the future. The criteria for what constitutes human spaceflight vary. The FAI defines spaceflight as any flight over . However, in the United States, professional, military, and commercial astronauts who travel above an altitude of are awarded astronaut wings. This article follows the FAI definition of spaceflight.
Until the 21st century, human spaceflight programs were sponsored exclusively by governments, either by the military or by civilian space agencies. However, with the launch of the privately funded SpaceShipOne in 2005, a new category of human spaceflight programs – commercial human spaceflight – arrived.
Programs in this article are sorted by the years when their development started.
==Successful programs==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「List of human spaceflight programs」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|