Thursday, September 23

agua

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NASA will send a robot to search for water on the Moon | Digital Trends Spanish

NASA has announced its exploration plans to carry out on the Moon. In 2023, the aerospace agency aims to send a robot to find ice at the south pole of Earth's natural satellite. It is the Volatile Research and Polar Exploration rover, called Viper, which will be sent to the south pole of the Moon in a region known as the Nobile crater. Through this robot explorer, NASA intends to confirm the presence of icy water under the lunar surface. So, in the long term, the idea is that this could become fuel for rockets that go on different missions in space. "Once on the lunar surface, Viper will provide actual terrain measurements to locate the presence of water and other resources at the lunar south pole, and the areas surrounding the Nobile crater show the most promising in this scientific ...
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How clean is the water that astronauts drink? | Digital Trends Spanish

A new study examines the growth of microbes in the water system consumed by astronauts aboard the International Space Station (ISS). This work has been published in Nature and explores how multispecific microbial populations affect the safety of drinking water during space missions. The study ensures that keeping these microscopic ecosystems under control is not an easy task. For this reason, NASA has developed the Environmental Control and Life Support System, which eliminates the need to send a rocket with the 40 thousand pounds of water required by the ISS crew. This system cleans wastewater through a filtration process and a catalytic oxidation process, so the water is free of volatile organic compounds and microorganisms. This is relevant because a study by Arizona State University...
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This wasp is named in tribute to Godzilla | Digital Trends Spanish

Usually, cinema and art in general take elements of nature as inspiration. Sometimes the opposite also happens, and it is nature that borrows certain references that are typical of cinema and television. This is the case of the first microgastrin parasitic wasp that a group of researchers found in Japan and which has received the name of Microgaster Godzilla in homage to the popular science fiction monster from that same country. The scientists were able to record this wasp while it was submerged in the water for a few seconds (this is one of its main characteristics), to attack a caterpillar and lay its eggs inside. In some cases, the authors explain, the wasp is able to stay underwater for several seconds to find and remove the caterpillar from its shell. Researchers have explai...
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This cockroach-inspired robot runs on water | Digital Trends Spanish

A group of researchers and developers from Israel has presented a novel robot whose design and characteristics are inspired by nature. It is AmphiSTAR, an amphibious robot capable of running at high speed on water in addition to swimming. According to its designers, it also copes quite well on other types of terrain, including the most difficult. The making of this prototype has been inspired by cockroaches and lizards and was presented virtually at the International Conference on Intelligent Robots and Systems (IROS). The AmphiSTAR is the size of the palm of your hand. It has wheels and is equipped with four propellers that can be tilted during the expansion mechanism. The propellers also act as wheels on the ground and as fins capable of propelling the robot over the water. As ...
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Meteorite provides important information about water on Mars | Digital Trends Spanish

An investigation carried out by the University of Tokyo revealed evidence of water from 4.4 billion years ago in a Martian meteorite discovered in the Sahara desert in 2011. Although it was already known that Mars harbored water about 3.7 billion years ago, with this new analysis of the NWA 7533 meteorite, the researchers estimate that the water was likely present a long time before. For researchers, this type of analysis helps to understand how Mars was formed and what the process of evolution of its crust and mantle was like. Also, the findings are in line with the hypotheses that hold that water could be one of the substances that occur naturally during the formation of planets. This look would distance itself from the theory that states that the meteorite, nicknamed "Black Beau...
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The African crocodile inhabited Spain 6 million years ago | Digital Trends Spanish

A study published in the Journal of Paleontology shows that crocodiles of the genus Crocodylus, of African origin, lived in Spain six million years ago. Scientists found the remains of two specimens about three meters long in the Valencian site of Venta del Moro. “The morphology of the crocodile remains from Venta del Moro is congruent with the genus Crocodylus“, Explains Ángel Hernández Luján, paleontologist at the Institut Català de Paleontología Miquel Crusafont and co-author of the work. These fossil remains are the first of Crocodylus found in the Iberian Peninsula and “unequivocally” support the non-occasional dispersal of this genus from Africa to Europe during the late Miocene, according to paleontologists. Since two individuals were found instead of one, it is suggested t...
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They clarify the mystery about the origin of the Earth’s water | Digital Trends Spanish

Earth's oceans could have been formed directly from "stellar matter" that coalesced in the early Solar System, rather than through meteorites and comets that collided with the forming planet. This is suggested by a study published in the journal Science, which challenges the long-held idea that most of the water on Earth came through other celestial bodies. According to the researchers, meteorites that could have formed in the inner Solar System contain more hydrogen than previously thought. Hydrogen is one of the two essential ingredients in water, in addition to oxygen. If Earth had formed from these materials, it would have had enough hydrogen and oxygen to fill even three oceans today, according to the researchers. "The Earth could have been humid from the beginning...