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CaSSIS sends first images from Mars orbit

The Mars Camera, CaSSIS (Colour and Stereo Surface Imaging System), on ESA’s ExoMars Trace Gas Orbiter captured its first high-resolution images of the Red Planet last week. Developed by a team at the University of Bern in Switzerland, CaSSIS is providing spectacular views, including the Hebes Chasma region at a resolution of 2.8 metres per pixel.

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Rosetta’s Comet 67P contains ingredients for life

The possibility that water and organic molecules were brought to the early Earth through cometary impacts has long been the subject of important debate. Now, ingredients crucial for the origin of life on Earth, including the simple amino acid glycine and phosphorus — key components of DNA and cell membranes — have been discovered at Comet 67P/Churyumov-Gerasimenko.

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Surprising discovery of molecular oxygen on comet 67P

ESA’s Rosetta spacecraft has made the first in situ detection of oxygen molecules outgassing from Comet 67P/Churyumov-Gerasimenko, a surprising observation that suggests they were incorporated into the comet during its formation. This may have implications for our understanding of the chemistry involved in the formation of the solar system some 4.6 billion years ago.