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Earth & Space

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Gas in distant galaxies: mixed or matched?

Illustration realized in the framework of a collaboration between the Image/Recit option of the HEAD (Haute École d'Art et de Design) - Genève and the Faculty of Sciences of the University of Geneva.

What is a galaxy? The common conception of a galaxy, in which it... click to read more

Views 210
Reading time 3 min
published on Nov 22, 2023
The astonishing jet of an extreme gamma-ray burst

Gamma-ray bursts (GRBs) are short duration transient phenomena lasting from a few seconds to hundreds of seconds. These bursts are localized on the sky using gamma-ray detectors onboard satellites orbiting Earth. The satellites pinpoint the direction of the burst, allowing astronomers to rapidly point their... click to read more

Views 110
Reading time 4 min
published on Nov 20, 2023
On how to use earthquakes to study a volcano

The occurrence of earthquakes preceding or during volcanic eruptions has been known since ancient times. The first-time earthquakes associated with a volcano eruption in scientific literature were in the description of the Vesuvius eruption in 79 AD by Pliny the Younger. At that time, neither... click to read more

Views 546
Reading time 4 min
published on Oct 16, 2023
Long or short doesn’t matter: the tale of an unusual gamma-ray burst

Gamma-ray bursts (GRBs in short) are the most luminous known objects in the entire Universe, emitting the amount of energy that our Sun radiates in its entire life, within just a few seconds. They are created by cosmic explosions, which generate a huge amount of... click to read more

  • Alessio Mei | PhD student at Gran Sasso Science Institute
Views 440
Reading time 4 min
published on Oct 6, 2023
The loss of our glaciers over the 21st century: a future we can control

Glaciers around the globe share with us a story of rapid change. Many are shrinking at a pace that is unprecedented since observations began, providing powerful indicators of global warming. The observed glacier changes reveal the impact that our greenhouse gas emissions have on even... click to read more

  • David Rounce | Assistant Professor at Carnegie Mellon University
  • Regine Hock | Professor at University of Oslo; University of Alaska Fairbanks
  • Fabien Maussion | Associate Professor at University of Innsbruck
Views 703
Reading time 4 min
published on Sep 29, 2023