atmospheric optical phenomena
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NASA’s Curiosity Rover Shows Us What Cloudy and Colourful Days on Mars Look Like
Clouds are rare on Mars and usually only pop up at the coldest time of the year near the planet’s equator. One Martian year ago though, NASA noticed some clouds forming in the sky above its veteran Curiosity rover and became determined to document them the following year. In recent months, Curiosity got to work,…