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Mars

number of breaks: 3

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Diving into the icy origins of Martian valleys

I invite you to use Google Earth and explore Mars. Look at the Martian southern hemisphere, and find an arid landscape littered with fossil valleys. These valleys speak of a remote past, when the red planet had water on its surface. There are thousands... click to read more

  • Anna Grau Galofre | Postdoctoral Research Fellow at Laboratoire de Planétologie et Géosciences, CNRS UMR 6112
  • Mark A. Jellinek | Postdoctoral Research Fellow at School of Earth and Space Exploration, Arizona State University, USA
  • Gordon R. Osinski | Postdoctoral Research Fellow at School of Earth and Space Exploration, Arizona State University, USA
Views 573
Reading time 3.5 min
published on Apr 1, 2022
Leveraging Earth to study how water formed on ancient Mars

Unlike our own Blue Planet, Mars is currently too cold to sustain liquid water at its surface. At first glance, Mars 4 billion years ago should have been even colder. Back then, the Sun's brightness was only about 70% of what it is today. Yet... click to read more

Views 1981
Reading time 4 min
published on Apr 7, 2021
How to search for water on Mars

The presence of water is considered a necessary condition for the existence of life as we know it. Even if Mars is today a cold and arid place, there is ample evidence that things were different in the past, and that rivers, lakes and perhaps... click to read more

  • Roberto Orosei | Staff researcher at Istituto Nazionale di Astrofisica, Istituto di Radioastronomia, Bologna, Italy
Views 2694
Reading time 4 min
published on Oct 1, 2018