Mars Could Have Been Warm and wet While Earth was Still a Glowing Ball of Molten Rock HEAD TOPICS

Mars Could Have Been Warm and wet While Earth was Still a Glowing Ball of Molten Rock

10/22/2022 1:26:00 AM

Mars Could Have Been Warm and wet While Earth was Still a Glowing Ball of Molten Rock @universetoday @storybywill

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Universe Today

Mars Could Have Been Warm and wet While Earth was Still a Glowing Ball of Molten Rock universetoday storybywill New research suggests that when Earth was still a ball of molten rock, Mars may have been covered in warm, blue oceans! 2H), or the number of deuterium atoms in a sample divided by the number of normal hydrogen atoms. This method allows scientists to gauge the prevalence of molecular hydrogen (H) in Mars’ atmosphere over time, which is a powerful greenhouse gas. As Prof. Desch said in an “It’s a paradox that so many observations suggest liquid water on early Mars, even though water freezes on present-day Mars, and the ancient sun was 30% dimmer than today. Traditionally considered greenhouse gases like CO2 would freeze on an early Mars. Hydrogen in the atmosphere is an unexpected way to stabilize liquid water.” Read more:
Universe Today » Mars rover Perseverance gearing up to cache samples for future return to Earth John Cale Announces First New Original Album in 10 Years with Moody New Single Phoenix Drop Icy New Single 'Winter Solstice' From Upcoming New LP Google brings 10 new features and a new look to Messages

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Two of 2022’s hottest MCs worked hard to prove themselves in the music industry — and now, they want to share the love and support Read more >> Mars rover Perseverance gearing up to cache samples for future return to EarthPerseverance will likely drop half of its rock samples in a depot in November or December. How ya doing, “Percy”? 🪐🤖 John Cale Announces First New Original Album in 10 Years with Moody New Single'Story of Blood' features atmospheric, eerie harmonies from Weyes Blood, and continues to push the Velvet Underground veteran's boundaries. WeyesBlood therealjohncale CRYING TEARS OF JOY Phoenix Drop Icy New Single 'Winter Solstice' From Upcoming New LPPhoenix continue to preview their upcoming new album 'Alpha Zulu' with the video for the LP’s icy latest single, “Winter Solstice.” Google brings 10 new features and a new look to MessagesGoogle Messages is getting 10 new features, including auto-transcription of voice messages and responding to individual messages. LA mission unveils new program and 100 new shelter bedsLos Angeles Mission helping homeless Angelenos get back on their feet with a new stabilization center and program. Shelter unveiled 100 new beds, privacy pods and charging stations as part of the Dignity by Design program ROFL......nice try! Again! Madame Tussauds New York brings new horror experience for the Halloween season amNewYorkStarting on Oct. 21, visitors of Madame Tussauds New York can come face-to-face with wax figures of some iconic horror movie characters in the museum's new horror experience, Warner Bros. Icons of Horror. Get the ad-free experience for life Mars Primordial Atmosphere To answer this question, astronomers have been trying to reconstruct what Mars’ atmosphere was like billions of years ago.rock cores to date — two apiece from seven target stones — and it will likely drop half of them in November or December, said mission team member Jim Bell of Arizona State University.is back, announcing Mercy , his first album of original material in 10 years.preview their upcoming new album Alpha Zulu Thursday with the video for the LP’s icy latest single, “Winter Solstice. A popular method used by Martian missions involves collecting samples and analyzing them for their deuterium-to-hydrogen ratios (D/H or 2 H/ 1 H), or the number of deuterium atoms in a sample divided by the number of normal hydrogen atoms. This method allows scientists to gauge the prevalence of molecular hydrogen (H) in Mars’ atmosphere over time, which is a powerful greenhouse gas. The baseline plan calls for Perseverance to deliver its samples to a NASA lander that sports a built-in rocket, which will launch the Mars material to orbit. As Prof. Synths create an uneasy atmosphere, and it’s hard to keep the hairs on the back of your neck from standing up. Desch said in an ASU News release: “It’s a paradox that so many observations suggest liquid water on early Mars, even though water freezes on present-day Mars, and the ancient sun was 30% dimmer than today. They could land here as soon as 2033. Traditionally considered greenhouse gases like CO2 would freeze on an early Mars.” “We love the slow pace and painterly compositions of early cinema,” the directors said in a statement. Hydrogen in the atmosphere is an unexpected way to stabilize liquid water. Perseverance is in good health, but there's a chance the rover won't be doing so well when that other hardware arrives at the Red Planet. And he clearly seeks to teach and learn from younger artists vital to the indie music scene, with the album featuring collaborators such as Animal Collective and Sylvan Esso.” For the sake of their study, the team developed the first model of primordial atmospheric evolution on Mars that included high-temperature processes associated with different geological periods. This included the formation of Mars, the time when its surface was covered in a magma ocean, and the formation of the first oceans and atmosphere. (Perseverance will keep the other sample set onboard. These models showed that the main gases emerging from the molten rock were a mix of molecular hydrogen and water vapor and that Mars’ earliest atmosphere was much denser than it is today. The sinister tone of the single is upheld here, with visions of blood-covered hands and silhouettes shifting slowly through silken light. Simple life may have thrived on early Mars due to a dense, hydrogen-rich atmosphere. 20) at the 2022 Mars Society Convention. Credit: ESO/M. Kornmesser Their model also showed that water vapor in the Martian atmosphere behaved similarly to how it behaves in Earth’s atmosphere today. If need be, the two choppers will carry sample tubes, one by one, from the depot — or depots, as there could end up being more than one — to the lander. 20, 2023, on Double Six / Domino. Essentially, it would condense in the lower atmosphere as clouds, while very little was retained in the upper atmosphere. Meanwhile, the molecular hydrogen (the main component in the atmosphere) did not condense and was slowly lost to space.) The depot Perseverance will establish in the next month or two is at a site dubbed Three Forks, which Bell said is a"pretty flat area. They further calculated that the molecular hydrogen content of the atmosphere would have a significant greenhouse effect, to the point that Mars could have had warm-water (or even hot) oceans. These oceans were stable and would have remained on the Martian surface for many eons before the atmospheric hydrogen was gradually lost to space.  Related stories:. As Dr. Pahlevan explained : “This key insight – that water vapor condenses and is retained on early Mars whereas molecular hydrogen does not condense and can escape – allows the model to be linked directly to measurements made by spacecraft, specifically, the Mars Science Laboratory rover Curiosity. This is the first model that naturally reproduces these observations, giving us some confidence that the evolutionary scenario we have described corresponds to the earliest events on Mars.” Implications for Life The results are consistent with what clay samples obtained by NASA’s Curiosity rover Martian meteorites studies showed. Martian meteors are composed largely of igneous rock (i.e., volcanic) that formed in Mars’ interior and were ejected by magma rising to the surface. These meteors contain water dissolved in the interior and were found to have D/H ratios similar to Earth’s oceans. This shows that Earth and Mars got their water from the same source during the early Solar System. Curiosity rover snaps an image of the site where it took a drill sample. Credits: NASA/Jet Propulsion Laboratory, Caltech In addition, the research conducted by Dr. Pahlevan and his colleagues showed that if the primordial Martian atmosphere were dense and hydrogen-rich, the surface waters would have been naturally deuterium-enriched by a factor of two to three compared to the interior. This is what the Hesperian-era clay samples obtained by Curiosity showed, which was a D/H value about three times that of Earth’s oceans. The only explanation is that molecular hydrogen was lost to space between the period when Mars was still in formation (ca. 4.5 billion years ago) and the Hesperian Era. As the heavier element, deuterium was lost at a slower rate, leading to the observed levels of enrichment in the surface water. These findings could also have implications in the ongoing search for evidence of past life on Mars (which may still today). These include the Stanley-Miller experiments that date back to the mid-20th century, which showed that prebiotic molecules form more readily in hydrogen-rich “reducing” atmospheres than in “oxidizing” atmospheres – like those of Earth and Mars today. In recent years, planetary scientists have also shown that atmospheric hydrogen may play a .