Mars’ northern polar regions in transition


Related images(click to enlarge) A newly released image from ESA‘s Mars Express shows the north pole of Mars during the red planet’s summer solstice. All the carbon dioxide ice has gone, leaving just a bright…

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Astronomers searching for oxygen can breathe more easily


Related images(click to enlarge) ESA‘s Herschel space observatory has found molecules of oxygen in a nearby star-forming cloud. This is the first undisputed detection of oxygen molecules in space. It concludes a long search but…

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