Storys zum Thema Star

Schweizerischer Nationalfonds / Fonds national suisse

The story of a cosmic striptease

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 ...

Schweizerischer Nationalfonds / Fonds national suisse

"Green peas" provide clues to the early days of the universe

Bern (ots) - It is probable that primordial galaxies triggered the period in the history of the universe known as"cosmic reionisation". The Geneva-based astronomer Anne Verhamme has succeeded in demonstrating this by studying green pea galaxies. In recognition of this work, the SNSF will award her this year's Marie Heim-Vögtlin prize on 16 September 2019. Following the Big Bang some 14 billion years ago, the universe ...