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Image copyright ESA Image caption Artwork: This is the first time Europe's premier rocket, the Ariane 5, has been used in a Galileo launch Europe is about to extend its satellite-navigation system by putting another four spacecraft in orbit. They will go up

Image copyright ESA/ARIANESPACE Image caption Ariane leaves the ground on a mission that lasts about four hours Europe is extending its satellite-navigation system by putting another four spacecraft in orbit. They are going up on an Ariane 5 rocket. Lift-off fr

This month, a single Ariane 5 rocket is set to propel four Galileo satellites into orbit for the navigation constellation’s first-ever quadruple launch.

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from WIRED

Space Photo of the Day 2013

An active volcanic eruption on Jupiter's moon Io was captured in this image taken by NASA's Galileo spacecraft.

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Jupiter's moon, Io, the most volcanic body in the solar system, is seen in this composite image obtained by NASA's Galileo spacecraft in 1996. The smallest features that can be discerned are 2.5 kilometers in size.

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Today we are sharing this set of six ‘Peace and Guardian Angels’ Christmas cards which reproduce Vi’s original mixed media picture. It includes a little painting of Earth, an adaptation of a photo from the 1990 Galileo spacecraft looking back at Australia. The cloud stream from Antarctica actually did form a heart shape. The angels are ethereal but also awesome guardians of our fragile but beautiful planet. 🌏 They are on sale at www.madeit.com.au/envirocrafted

Colorized image of Jupiter's moon Europa (clear-filter grayscale data from NASA's Galileo spacecraft, combined with lower-resolution color data) The blue-white terrains indicate relatively pure water ice. The reddish areas contain water ice mixed with hydrated salts, potentially magnesium sulfate or sulfuric acid. Obtained on Nov 6, 1997, during the Galileo spacecraft's 11th orbit of Jupiter, when the spacecraft was approximately 13,237 miles from Europa.

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from io9

Never-Before-Seen Photo of Europa Shows Rivers of Red Ice

The photograph illustrates the contrast between the moon's relatively pure water ice (blue-white terrain) and its saltier, and thereby ruddier, surface ice. According to JPL, the image area measures approximately 101 by 103 miles (163 km by 167 km), and is composited from photographs captured by NASA's Galileo spacecraft in the late nineties.

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Some perspective: as it departed for Jupiter, NASA's Galileo spacecraft looked back and captured this remarkable view of the Earth and Moon together in space. The moon is in the foreground. Details: http://solarsystem.nasa.gov/galleries/the-earth-moon-system

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