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Google Earth is a computer program that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles. Users can explore the globe by entering addresses and ...
Google Search (also known simply as Google or Google.com) is a search engine operated by Google. It allows users to search for information on the Internet by entering keywords or phrases. Google Search uses algorithms to analyze and rank websites based on their relevance to the search query. It is the most popular search engine worldwide.
As of 2020, Google Maps was being used by over one billion people every month around the world. [1] Google Maps began as a C++ desktop program developed by brothers Lars and Jens Rasmussen at Where 2 Technologies. In October 2004, the company was acquired by Google, which converted it into a web application.
RS-68. An RS-68 engine undergoing hot-fire testing at NASA's Stennis Space Center during its developmental phase. The Aerojet Rocketdyne RS-68 (Rocket System 68) was a liquid-fuel rocket engine that used liquid hydrogen (LH 2) and liquid oxygen (LOX) as propellants in a gas-generator power cycle. It was the largest hydrogen-fueled rocket engine ...
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The article "Google Earth Engine" provides a fairly concise description of from where, and for what, the engine was created. As a whole, the article is a good description of the purpose and the history, and compared to the previous pages, the content level has greatly increased.
A prototype RDE under test at the Marshall Space Flight Centre. A rotating detonation engine ( RDE) uses a form of pressure gain combustion, where one or more detonations continuously travel around an annular channel. Computational simulations and experimental results have shown that the RDE has potential in transport and other applications.
Rocketdyne F-1. The F-1, commonly known as Rocketdyne F-1, is a rocket engine developed by Rocketdyne. The engine uses a gas-generator cycle developed in the United States in the late 1950s and was used in the Saturn V rocket in the 1960s and early 1970s. Five F-1 engines were used in the S-IC first stage of each Saturn V, which served as the ...