Google Sky is a feature for Google's Google Earth and an online sky/outer space viewer at www.google.com/sky. It shows the sky view made up of a collaboration of Hubble Telescope space photographs. It was created on August 27, 2007. 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 currently facing competition from Microsoft's WorldWide Telescope. Google also runs an internet version of Sky, which was created in response to the popularity of the Google Earth application.

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