Sharper satellite images for Google Maps

An image of New York from Landsat 7 (top) and an updated image of the same area being rolled out...
An image of New York from Landsat 7 (top) and an updated image of the same area being rolled out on Google Maps.

Google Maps is being updated with sharper, newer satellite images.

The update includes photos from Landsat 8, designed by NASA and the United States Geological Survey and sent into orbit in 2013.

The new satellite captures images with greater detail and better colours, and captures twice as many images daily as its predecessor.

Google said on its blog it was mining nearly a petabyte of data - more than 700 trillion pixels - in order to find the best cloud-free imagery for sharper maps.

"To put that in perspective, 700 trillion pixels is 7000 times more pixels than the estimated number of stars in the Milky Way Galaxy, or 70 times more pixels than the estimated number of galaxies in the Universe" the blog post said.

The new imagery is showing up across all of Google's mapping products now.

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