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Green Glow of Oxygen Discovered Around Mars

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A green glow of oxygen has been discovered around the planet Mars. The Mars Mission ExoMars did this, reports the European space agency ESA.

 

The glow, similar to the polar light on Earth, for example, has never been seen in the atmosphere of other planets.

A particular instrument discovered the glowing green oxygen about 80 kilometres above the Martian surface in the atmosphere around the Red Planet, according to the journal Nature Astronomy.

On Earth, glowing oxygen is formed during polar lights when electrons from space hit the upper atmosphere.

This oxygen “powered” emission of light gives the northern light its beautiful and characteristic green hue, according to ESA.

However, the northern lights are just one way in which planets’ atmospheres light up.

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