Type of site
|Registration||Yes, with Google Account|
|Launched||August 27, 2007|
Google Sky is a feature for Google Earth and an online sky/outer space viewer. It was created on August 27, 2007. The application allows users to view a collaboration of images from NASA satellites, the Sloan Digital Sky Survey, and the Hubble Telescope.
The first Google Sky version to be created was on the virtual globe program called Google Earth. It features a number of layers, similar to the earth mode. It is mapped with images on the inside of the Google Earth sphere, with the north and south poles lining up with the two poles in Google Sky. As with other planetarium programs, it is viewed from the inside looking out from the center. It is facing competition from Microsoft's WorldWide Telescope.
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Google also runs a browser-based version of Sky, which was created in response to the popularity of the Google Earth application. Google Sky Website was launched on March 13, 2008. It's accessible from any web browser and operating system and available in 26 languages (the first Google Maps product to support right-to-left languages). It was coded by Diego Gavinowich, a Latin America Code Jam finalist from Buenos Aires who joined Google for a winter internship, with the help of other engineers on their 20% time.
Sky Map is an Android implementation of Google Sky. On January 20, 2012, Google announced a student development partnership with Carnegie Mellon University and released Sky Map under the Apache 2.0 open source license. The project is available in the form of a Google Code repository.
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