Actualités sur Mars

Schweizerischer Nationalfonds / Fonds national suisse

The fascination of Mars

Schweizerischer Nationalfonds / Fonds national suisse

Leaking atmospheres seal the fate of planets

Bern (ots) - A new tool makes it possible to model the escaping atmosphere on exoplanets without overbooked space telescopes. All planets lose their atmosphere. Each day, around 90 tonnes of hydrogen and helium escape from Earth in the direction of space - but don't panic; at this rate, we've still got enough to last another 150 billion years. Our neighbour Mars is in a less enviable position. Today, its atmosphere is one ...