return orbit
61Shenzhou 6 — ] At 01:39 UTC Chen Bingde, the Chief Commander of the Chinese space program, announced the launch was successful. The crew ate their first meal in space at 03:11 UTC.Before the flight, the launch time had been the object of speculation by the… …
62Delta-v budget — (or velocity change budget) is an astrogation term used in astrodynamics and aerospace industry for total delta v (or total velocity change) requirements for the various propulsive tasks and orbital maneuvers over phases of a space mission.… …
63Cassini–Huygens — Artist s concept of Cassini s Saturn Orbit Insertion Operator NASA / ESA / ASI Mission type …
64Space Shuttle Columbia disaster — For further information about Columbia s mission and crew, see STS 107. STS 107 mission patch The Space Shuttle Columbia disaster occurred on February 1, 2003, when shortly before it was scheduled to conclude its 28th mission, STS 107, the Space… …
65Apache Point Observatory Lunar Laser-ranging Operation — APOLLO shooting a laser at the Moon. The laser pulse is reflected from the retroreflectors on the Moon (see below) and returned to the telescope. The round trip time tells the distance to the Moon to great accuracy. In this picture the Moon is… …
66Chinese Lunar Exploration Program — CLEP and Chang e program redirect here. For other uses, see CLEP (disambiguation). Insignia of the program. Chinese Lunar Exploration Program (CLEP) (simplified Chinese: 中国探月; traditional Chinese: 中國探月; pinyin: Zhōngguó Tànyuè), also known as the …
67Gravity turn — A gravity turn or zero lift turn is a maneuver (see trajectory optimization) used in launching a spacecraft into, or descending from, an orbit around a celestial body such as a planet or a moon. This launch trajectory offers two main advantages… …
68International Space Station program — The International Space Station program is tied together by a complex set of legal, political and financial agreements between the fifteen nations involved in the project, governing ownership of the various components, rights to crewing and… …
69Month — For the Egyptian hawk god, see Monthu. A month is a unit of time, used with calendars, which was first used and invented in Mesopotamia, as a natural period related to the motion of the Moon; month and Moon are cognates. The traditional concept… …
70Pluto — This article is about the dwarf planet. For other uses, see Pluto (disambiguation). Pluto   …
