The curious case of Earth's leaking atmosphere

The curious case of Earth's leaking atmosphere Paris (ESA) Jul 11, 2016 - Earth's atmosphere is leaking. Every day, around 90 tonnes of material escapes from our planet's upper atmosphere and streams out into space. Although missions such as ESA's Cluster fleet have long been investigating this leakage, there are still many open questions. How and why is Earth losing its atmosphere - and how is this relevant in our hunt for life elsewhere in the Universe? Given ... more

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