{"id":11580,"date":"2022-02-20T12:45:59","date_gmt":"2022-02-20T12:45:59","guid":{"rendered":"https:\/\/www.africa-press.net\/rwanda\/all-news\/moon-rocks-formed-4-35billion-years-ago-may-offer-clues-to-true-origins-of-earths-water"},"modified":"2022-02-20T14:28:31","modified_gmt":"2022-02-20T14:28:31","slug":"moon-rocks-formed-4-35billion-years-ago-may-offer-clues-to-true-origins-of-earths-water","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/rwanda\/all-news\/moon-rocks-formed-4-35billion-years-ago-may-offer-clues-to-true-origins-of-earths-water","title":{"rendered":"Moon Rocks Formed 4.35Billion Years Ago May Offer Clues to True Origins of Earth’s Water"},"content":{"rendered":"

Africa-Press – Rwanda. <\/strong><\/span>As the origin of water on Earth \u2013 still the subject of debate – is the origin of life in our Universe, figuring out how our world obtained its water is regarded as key to finding life on other worlds.<\/p>\n

Fresh analysis of rocks collected from the Moon may have allowed scientists to come up with a new theory explaining the source of Earth\u2019s water \u2013 the origin of life as we know it.<\/p>\n

Scientists of Lawrence Livermore National Laboratory (LLNL), weighing in on the longstanding debate, have concluded that the likeliest explanation is that Earth was formed with its water.<\/p>\n

Thus, the study, published in the Proceedings of the National Academy of Sciences (PNAS) and funded by NASA and the Laboratory Directed Research and Development program, appears to reject the commonly accepted notion that one potential way the water was delivered was by bombardment from water-bearing asteroids and comets.<\/p>\n

“Earth was either born with the water we have, or we were hit by something that was basically pure H2O, with not much else in it,” explained cosmochemist Greg Brennecka of LLNL, a co-author of the paper. He added:<\/p>\n

Science has established that the Earth-Moon system formed 4.5 billion years ago as a result of the impact of two large bodies at an early stage in the solar system\u2019s history.<\/p>\n

As the Moon is not subject to the plate tectonics and weathering processes erasing evidence of those distant events on Earth, its dusty and dry surface rocks are a potential source of clues to the history of our planet\u2019s water. 70 percent of Earth\u2019s surface is covered with water.<\/p>\n

The team involved in the research analyzed the isotopic makeup of three lunar samples that crystallized 4.3 to 4.35 billion years ago. According to the paper, the scientists, examining two isotopes: volatile and radioactive isotope rubidium-87 (87Rb), and the isotope it decays into, strontium-87 (87Sr).<\/p>\n

They found that bodies involved in the ancient impact that formed the Earth-Moon system had themselves contained very low levels of volatile elements (like water) before the impact. In other words, the bodies that collided must have both been dry to start with. Lars Borg, the lead author of the study, was cited as saying:<\/p>\n

For More News And Analysis About Rwanda<\/a> Follow Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Rwanda. As the origin of water on Earth \u2013 still the subject of debate – is the origin of life in our Universe, figuring out how our world obtained its water is regarded as key to finding life on other worlds. Fresh analysis of rocks collected from the Moon may have allowed scientists […]<\/p>\n","protected":false},"author":84,"featured_media":11579,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,28,31],"tags":[760,763,758],"class_list":["post-11580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-homepage-english","category-miscellaneous","tag-africa-press","tag-africa-press-rwanda","tag-rwanda"],"yoast_head":"\nMoon Rocks Formed 4.35Billion Years Ago May Offer Clues to True Origins of Earth's Water - Rwanda<\/title>\n<meta name=\"description\" content=\"As the origin of water on Earth \u2013 still the subject of debate - is the origin of life in our Universe, figuring out how ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/rwanda\/all-news\/moon-rocks-formed-4-35billion-years-ago-may-offer-clues-to-true-origins-of-earths-water\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Moon Rocks Formed 4.35Billion Years Ago May Offer Clues to True Origins of Earth's Water\" \/>\n<meta property=\"og:description\" content=\"As the origin of water on Earth \u2013 still the subject of debate - 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