Mars Science Laboratory (MSL) Curiosity

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A tu kolorowa panoramka z sol 3330



http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50132

 

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Curiosity w badanych przez siebie skałach znalazł nadreprezentację lekkiego izotopu węgla C 12 nd C 13. Taka sygnatura na Ziemi jest interpretowana jako odznaka życia biologicznego

https://www.nasa.gov/feature/goddard/2022/nasa-s-curiosity-rover-measures-intriguing-carbon-signature-on-mars

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Mars rover detects carbon signature that hints at past life source

The team looked at 24 different rock samples drilled during Curiosity’s journey across Gale crater, which contains the mudstones of an ancient lake. The pulverized rock was baked in an oven in the rover’s belly, which converted trace amounts of carbon trapped in the rock into methane gas. The gas was then probed by a laser, which revealed the methane’s isotopic makeup. The results varied widely, but at six sites, the amount of carbon-12 to carbon-13 was more than 70 parts per thousand higher than an Earth-based reference standard. “These are dramatic signals,” House says. Because the strongest signals came from rocks at the top of ridges and other topographic highs in the crater, the team believes the enriched carbon was somehow deposited out of the atmosphere billions of years ago, rather than left by lake sediments. Concentrating light carbon to such high levels might have taken multiple steps. The researchers envision deep subsurface microbes, feeding on the slightly light carbon found in martian magma, and emitting methane gas. (The martian atmosphere is deficient in light carbon, so the researchers consider it an unlikely microbial feedstock.) Then, other microbes at the surface would feed on the emitted methane, further ratcheting up the levels of light carbon, and fixing it in the fossil record when they died.

Or perhaps the young Solar System, including early Mars, passed through an interstellar cloud of gas and dust, which is believed to happen every 100 million years or so. The carbon in such dust is light, matching the levels seen by Curiosity, to judge by samples trapped in meteorites. The cloud might have blocked sunlight and plunged Mars into a deep freeze, causing widespread glaciation and preventing the light carbon in the rain of cosmic dust from being diluted by other carbon sources. House concedes that the scenario requires an incredible coincidence of events, and there’s no evidence of glaciation at Gale crater. But he says it can’t be ruled out.

More prosaically, a few studies suggest UV rays can generate the signal without help from biology at all. UV can react with carbon dioxide—which makes up 96% of the martian atmosphere—to produce carbon monoxide that is enriched in carbon-12. Yuichiro Ueno, a planetary scientist at the Tokyo Institute of Technology, says he has recently confirmed the process can occur in unpublished lab results. “The reported carbon isotope ratios are exactly what I have expected,” he says.

https://www.science.org/content/article/mars-rover-detects-carbon-signature-hints-past-life-source

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Ostatnie pocztówki od Curiosity 



http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50180



http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50159



http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50187



http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50222

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Ile ta książka ma stron? 



https://mars.nasa.gov/msl-raw-images/msss/03357/mcam/3357MR1013060501503312C00_DXXX.jpg

Zmiana rodzaju sedymentacji?



https://mars.nasa.gov/msl-raw-images/proj/msl/redops/ods/surface/sol/03357/soas/rdr/ccam/CR0_695507628PRC_F0922566CCAM02357L1.PNG



https://mars.nasa.gov/msl-raw-images/proj/msl/redops/ods/surface/sol/03357/opgs/edr/ncam/NRB_695503505EDR_S0922566NCAM00594M_.JPG

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https://mars.nasa.gov/msl-raw-images/msss/03356/mcam/3356ML1013010041302622E01_DXXX.jpg



https://mars.nasa.gov/msl-raw-images/msss/03356/mcam/3356ML1013000011302605E01_DXXX.jpg



https://mars.nasa.gov/msl-raw-images/proj/msl/redops/ods/surface/sol/03356/opgs/edr/fcam/FRB_695428388EDR_F0922566FHAZ00302M_.JPG

[byko]

Ile ta książka ma stron? 

W porównaniu z Ziemskimi to ledwie czytanka dla dzieci - ale wieści jakie niesie mogą być niezwykle doniosłe.

[astropl]

Jakieś dwa lata temu zniknął z sieci Curiosity Drive Log, z dokładnym opisem każdej jazdy. Czy może ktoś widział jego kontynuację?

[Lion97]

Jakieś dwa lata temu zniknął z sieci Curiosity Drive Log, z dokładnym opisem każdej jazdy. Czy może ktoś widział jego kontynuację?

Kontynuacji nie widziałem, ale na stronie NASA jest mapa z całą trasą jaką przebył Curiosity, a w Misson Updates jest opis każdego sol.

https://mars.nasa.gov/msl/mission/where-is-the-rover/
https://mars.nasa.gov/msl/mission-updates/

[astropl]

Kontynuacji nie widziałem, ale na stronie NASA jest mapa z całą trasą jaką przebył Curiosity, a w Misson Updates jest opis każdego sol.

Tak, to znam, ale to nie to samo. Niemniej dziękuję.

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Dwie śliczne panoramki od Curiosity:



http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50303



http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50305

[juram]

Z prawej strony tej panoramy widać marsjańskiego sfinksa.



http://www.unmannedspaceflight.com/index.php?showtopic=8644&pid=256111&st=300&#entry256111

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No i Sfinks wykryty. Nie tylko na Cydonii 

A krzaczek co widział Curiosity pamiętacie?

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Curiosity nieco zawraca i wjeżdża na Grengheugh Pediment

http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50428

Panoramka z Sol 3383



http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50425

Piramida na Marsie  Sol 3379



http://www.unmannedspaceflight.com/index.php?act=attach&type=post&id=50403

[Lion97]

Jeśli ktoś jest zainteresowany to niedawno wyszła aktualizacja o Curiosity z prezentacji Mars Exploration Program Analysis Group (MEPAG) z lutego 2022.