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Tianwen1
Mars mission: Tianwen-1 sends back its first picture
This image shows seasonal flows in Valles Marineris on Mars, which are called Recurring Slope Lineae, or RSL. These Martian landslides appear on slopes during the spring and summer. This artist’s illustration shows the ExoMars Trace Gas Orbiter as it orbits Mars. The orbiter detected a layer of glowing green oxygen in Mars’ atmosphere. NASA’s …