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Perseverance Mars rover files 1st detailed weather report - Space.com

Perseverance Mars rover files 1st detailed weather report - Space.com

Perseverance Mars rover files 1st detailed weather report - Space.com
Jan 25, 2023 1 min, 0 secs

Air pressure also fluctuated, both daily and more noticeably on a seasonal basis as the carbon dioxide frost at the poles sublimated in the early summer "heat," bolstering the thin atmosphere.

As the daytime sun warms the surface and lower atmosphere, pockets of air begin to rise, creating gentle turbulence that leads to some of the observed temperature fluctuations.

The turbulence stops in the evening as the sun sinks down toward the horizon and solar heating drops off, allowing the air to settle, at least for a short time.

Similar returning instability was also witnessed by NASA's InSight lander, which ended its mission in December after four years on the Red Planet.

"The dust devils are more abundant at Jezero than elsewhere on Mars, and can be very large, forming whirlwinds more than 100 meters [330 feet] in diameter," Ricardo Hueso, also of the Planetary Sciences Group at the University of the Basque Country, said in the statement.

In addition, the 10 sample canisters left on the ground by Perseverance as it trundles around Jezero Crater will be constantly exposed to the atmospheric conditions for many years; the future mission meant to retrieve them is currently scheduled to land on the Red Planet in 2031.

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