Tag Archives | ESA


Europa’s blood-red scars

Space Science Image of the Week: The criss-crossing scars marking the surface of Jupiter’s icy moon Europa in this Galileo image look disturbingly biological To source

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Luca Parmitano: this year’s Captain NEEMO

ESA astronaut Luca Parmitano is to lead NASA’s 20th underwater astronaut training mission this month. Starting on 20 July, the 14-day NASA Extreme Environment Mission Operations sortie, or NEEMO, will see a team of four living and working in the Aquarius underwater research station off the coast of Florida, USA. To source

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Counting stars with Gaia

This image, based on housekeeping data from ESA’s Gaia satellite, is no ordinary depiction of the heavens. While the image portrays the outline of our Galaxy, the Milky Way, and of its neighbouring Magellanic Clouds, it was obtained in a rather unusual way. To source

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Northwest Sardinia

Earth observation image of the week: a false-colour image from Sentinel-2A over part of the Italian island of Sardinia, also featured on the Earth from Space video programme To source

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Comet sinkholes generate jets

A number of the dust jets emerging from Rosetta’s comet can be traced back to active pits that were likely formed by a sudden collapse of the surface. These ‘sinkholes’ are providing a glimpse at the chaotic and diverse interior of the comet. To source

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Ice mountains

Technology image of the week: original technology demonstration mission Proba-1 images the site of Antarctica’s first zero-emission base To source

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Space, astronomy and science