A Mars orbiter just detected something it’s never seen before – BGR

• The atmosphere of Mars is thin and, compared to Earth, barely even there at all, but it can still teach us about the history of the planet and its present-day status.
• The ExoMars Trace Gas Orbiter, which is a project from the European Space Agency and Russia’s Roscosmos, recently detected a gas that it never found before.
• Hydrogen chloride, which requires specific conditions in which to form, has been detected in the atmosphere, raising many questions. 

The Mars we see today is mostly dry, dusty,…

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