Now for something completely different: NASA’s curiosity has acquired a cloud in the form of a glowing feather in the sky of Mars after a short period of sunset on the red planet.

It dates back to January 2023, but NASA recently Appear The photo is in the spotlight at the agency highlighting Rover’s investigation in the planet’s sky that was conducted last month.

In this investigation, curiosity took pictures for 16 minutes on January 17, or Sol 4426 on Mars. Images show reddish green clouds in Mars. The clouds are noctilucent clouds (or “bright night”), which caused the way in which sunlight stems in the atmosphere of the cloudy Mars.

According to NASA ReleaseMars clouds are made either from water ice or carbon dioxide. The last group only – which occurs at higher altitudes and lower temperatures than water ice draw – in the way shown above. Nortilucent clouds occur on Mars at altitudes between 37 and 50 miles (60 and 80 km) over the surface. When the clouds are much lower (less than 31 miles, or 50 km), it evaporates due to high temperatures in the atmosphere.

Nortilucent clouds are not just a phenomenon outside the ground. The firing of the missiles on the ground can cause glowing clouds in the upper atmosphere of the Earth, which can only be seen after a short period of sunset or before sunrise – otherwise it is easy to see it.

Mars clouds come in many shapes and sizes. In 2022, ESA scientists monitored clouds unlike those that are formed on Earth in the sky of the Red Planet. The following year, ROOR was welcomed with a heavy-Hami-sliced ​​cover on the clouds of clouds to reach the non-distant expatriate world. The recently photographed iris clouds are not a newly discovered phenomenon but are still fascinated – and still require a lot of scrutiny.

The twilight clouds were seen for the first time on Mars by the NASA Pathfinder Mission in 1997. Curiosity did not repeat the trick until 2017, and last month’s vision is the fourth year of Mars discovered by Rover clouds.

Late last year, NASA researchers Published Study Geophysical research messages Description of how the impact of the iris reveals how the ice is formed and grows in the atmosphere of Mars.

“I will always remember the first time I saw these iris clouds, and I was at first sure that it was some colored archaeological,” said Mark Limon, a scientist in the atmosphere at the Institute of Space Sciences in Colorado and the author of the study, in NASA. Release. “Now it’s expected that we can plan our footage in advance; clouds appear exactly at the same time.”

The version notes that these clouds have not seen Rovers in other parts of Mars. It may be browser to host clouds for the curiosity of the area – on Mount Jel.

By BBC

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