ScienceCould a Potential New Water Source Make Life on Mars More Feasible? A relict glacier discovered on a more hospitable part of Mars could radically shift how we approach future human exploration of the planet. Published 2 years ago on April 12, 2023 (full fact-check in progress).By Bruce Hayns Mars explorers may be able to access frozen water near its equator Share Tweet At the 54th Lunar and Planetary Science Conference held in Texas on March 13-17, a groundbreaking discovery was announced by scientists. They revealed having found glacier-like patterns in volcanic salt deposits near Mars’ equator. They have interpreted this to mean that there was surface ice at these latitudes on Mars in its recent geological history.The scientists reported that they have not detected any ice on the surface of the relict glacier site under investigation. It is possible that the entirety of the glacier has sublimated away. Despite this, they say there is still a chance that some of the frozen water may be protected at a shallow depth under the salt deposits.The researchers point out a phenomenon on Earth that may be similar to that being observed on Mars. Old glacier ice in the Altiplano in South America has remained protected from sublimation, melting and evaporation underneath bright salt blankets.The potential availability of water in the equatorial regions of Mars could have significant implications for future human interaction with the planet. Mission planners are currently exploring the idea of selecting landing sites for humans in higher latitudes. This is because there is more likely to be ice accessible below the surface of the ground in these colder regions. The drawback is that high-latitude environments are typically more hostile to people and machines. However, equatorial locations where ice may exist at shallow depths could offer the best of both worlds. They would provide warmer conditions for human exploration while still allowing access to life-giving frozen water. Related Topics:FeaturedMarsScienceSpace Up NextTechnology to Create World’s First Man-Made Meteor Shower in 2025 Don't MissCould a Potential New Water Source Make Life on Mars More Feasible? Continue Reading You may like Study Finds Medieval Eclipse Records Reveal Timing of Volcanic Activity Plants do ‘talk’ – scientific study finds Unprecedented Discovery: An Earth-Sized Exoplanet Which May Have an Atmosphere Technology to Create World’s First Man-Made Meteor Shower in 2025 Seismic Imaging Technology Predicts Upcoming Volcanic Eruption SpaceX Reuses Rocket to Launch 56 Starlink Satellites Into Space Click to comment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment. ScienceStudy Finds Medieval Eclipse Records Reveal Timing of Volcanic Activity Monks looking at the moon to try to predict the biblical end times have inadvertently left accurate data to help researchers understand the era's massive volcanic eruptions. Published 2 years agoon May 3, 2023By Bruce Hayns A darker moon during a lunar eclipse can indicate the presence of volcanic dust in the atmosphereCareful records of the color of lunar eclipses made by medieval monks, keeping watch for the blood-red moon predicting the end times in the Book of Revelation, have helped an international team of researchers understand almost exactly when some of the biggest volcanic eruptions in human history happened. The innovative study documenting these findings, a result of an almost five-year research process, was published in the journal Nature.Information found in historical texts from Europe and the Middle East, combined with ice core samples and tree ring data, has given new insights into what is seen to be the most volcanically active period in human experience. Specifically, this is the time span between 1100 and 1300, where the amount of volcanic dust interacting with the atmosphere and reducing sunlight reaching Earth is thought to have caused a subsequent cool period known as the Little Ice Age.When asked what caused him to look to monks’ records to help determine the time of the major eruptions, lead author of the study Sébastien Guillet from the University of Geneva pointed to an unlikely inspiration. “I was listening to Pink Floyd’s Dark Side of the Moon album when I realized that the darkest lunar eclipses all occurred within a year or so of major volcanic eruptions. Since we know the exact days of the eclipses, it opened the possibility of using the sightings to narrow down when the eruptions must have happened.”Between the years 1100 and 1300, Europe witnessed a total of 64 lunar eclipses. Of these, 51 instances have been recorded and documented by diligent chroniclers of the era. In five of these chronicles, it was noted that the moon appeared unusually dark during the eclipse, indicating recent volcanic activity where the resultant atmospheric dust dimmed the reflected lunar light. Continue Reading SciencePlants do ‘talk’ – scientific study finds You’ve heard of the adage “talk to your plants”. Well, that appears to be very sage advice because a recent study proves that plants can communicate. Published 2 years agoon April 29, 2023By Lucille McNamara Researchers have found that the more stressed plants are, the more they "talk"Prev1 of 2NextUse your ← → (arrow) keys to browsePlants are not silent. According to a study, plants talk by making clicking noises. In fact, they become very talkative when under stress, such as when they are thirsty.These new findings vastly contradict previous beliefs held by botanists – that the plant kingdom is silent. Researchers suggest that the world is a cacophony of noise made by plants – sounds that cannot be detected by the human ear.The study was conducted by Lilach Hadany of Tel Aviv University. She is the program head of the George S. Wise Faculty of Life Sciences and a professor at the university’s School of Plant Sciences and Food Security.Prof Hadany admits that she has always been skeptical about the silence of plants because organisms respond to sound, so why should plants be mute and deaf? Previous studies proved that plants vibrated. However, it had not been established if these vibrations were in fact sound waves that became air borne.Ultrasonic microphones recorded stressed plants talking up to 30 to 50 times an hourProf Hadany’s interest in the subject was first ‘pricked’ by a cactus in her laboratory six years ago that she recorded with an ultrasonic microphone. However, she could not overrule the possibility that the sounds recorded were not made by the plant but by something else in the environment.In the latest study, researchers used soundproof acoustic boxes, fitted with ultrasonic microphones, into which tomato and tobacco plants were placed. Some of the plants had damaged stems and had not been watered for five days. The other plants were untouched.These microphones record frequencies between 20 and 250 kilohertz, while the maximum frequency detected by the human ear is about 16 kilohertz.Prev1 of 2NextUse your ← → (arrow) keys to browse Continue Reading ScienceUnprecedented Discovery: An Earth-Sized Exoplanet Which May Have an Atmosphere Bursts of radio waves likely caused by a star's solar winds interacting with an exoplanet's magnetic field have caused excitement in the search for potentially life-bearing planets. Published 2 years agoon April 20, 2023By Bruce Hayns Radio telescopes help scientists search for Earth-like planetsTwo US astronomers recently discovered an Earth-sized rocky exoplanet located roughly 12 light years away. This represents an exciting step forward in the search for potentially habitable or life-bearing worlds in other solar systems. Researchers have been able to confirm that the exoplanet (a planet existing outside our Solar System) may, like Earth, possess its own strong magnetic field and possibly even atmosphere.Unusually strong bursts of radio waves, hypothesized to be caused by the interaction of the exoplanet with plasma spewed out from its star, caught the attention of the two researchers, Sebastian Pineda and Jackie Villadsen, when they were assessing data from the Karl G. Jansky Very Large Array radio telescope in the state of New Mexico, USA.“Whether a planet survives with an atmosphere or not can depend on whether the planet has a strong magnetic field or not,” said Pineda. Such fields are believed to be essential for the protection of the planet’s atmosphere and potential life from harmful solar winds emitting from its star.The exoplanet, called YZ Ceti b, orbits a red dwarf star called YZ Ceti within the constellation Cetus. The duration of its orbit around the star is just two days. In contrast, the closest planet to our Sun, Mercury, has an orbit time of 88 days. The fact that YZ Ceti b is very close to its star could have maximized the interaction between its magnetic field and the plasma winds, leading to what are referred to as bright radio signals.“This research shows not only that this particular rocky exoplanet likely has a magnetic field but provides a promising method to find more,” says Joe Pesce of the US’s National Science Foundation. Continue ReadingLatestTrendingVideos Environment1 year agoAre plastic straws really such a threat to our and our planet’s safety? 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