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The Apollo Lunar Module (LM / ˈ l ɛ m /), originally designated the Lunar Excursion Module (LEM), was the lunar lander spacecraft that was flown between lunar orbit and the Moon's surface during the United States' Apollo program. It was the first crewed spacecraft to operate exclusively in the airless vacuum of space, and remains the only ...
A spacecraft prefix is a combination of letters, usually abbreviations, used in front of the name of a spacecraft, and its purpose is often analogous to more conventional ship prefixes.
Brownian excursion, a concept in the theory of stochastic processes; Critical excursion, or criticality accident, a topic in nuclear physics; Diaphragmatic excursion, the movement of the thoracic diaphragm during breathing; Geomagnetic excursion, a change in the Earth's magnetic field; Excursion (audio), the linear movement range of a speaker
The National Aeronautics and Space Administration (NASA / ˈ n æ s ə /) is an independent agency of the US federal government responsible for the United States' civil space program, aeronautics research and space research.
An online dictionary is a dictionary that is accessible via the Internet through a web browser.They can be made available in a number of ways: free, free with a paid subscription for extended or more professional content, or a paid-only service.
NASA planners invented the term extravehicular activity (abbreviated with the acronym EVA) in the early 1960s for the Apollo program to land humans on the Moon, because the astronauts would leave the spacecraft to collect lunar material samples and deploy scientific experiments.
In the US space industry, "go fever" (also "launch fever") is an informal term used to refer to the overall attitude of being in a rush or hurry to get a project or task done while overlooking potential problems or mistakes.
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