{"id":129413,"date":"2022-01-12T07:57:14","date_gmt":"2022-01-12T07:57:14","guid":{"rendered":"https:\/\/www.edristi.in\/?p=129413"},"modified":"2022-01-12T07:57:17","modified_gmt":"2022-01-12T07:57:17","slug":"first-ever-on-site-evidence-of-water-on-the-surface-of-the-moon","status":"publish","type":"post","link":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/first-ever-on-site-evidence-of-water-on-the-surface-of-the-moon\/","title":{"rendered":"First-ever on-site evidence of water on the Surface of the Moon"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Question: which of the following lunar probe, sent by the China, has discovered first ever on-site evidence of water on the surface of the Moon?<br><\/strong>a) Chang\u2019e 5<br>b) Chang\u2019e 4<br>c) Chang\u2019e 3<br>d) Yutu- 2<br><strong>Answer: (a)<br>Related Facts:-<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>China\u2019s Chang\u2019e 5 lunar lander has found the first-ever on-site evidence of water on the surface of the moon.<\/li><li>This new discovery provided new evidence to the dryness of the satellite.<\/li><li>A study regarding this discovery was published on 8 January 2021, in the peer-reviewed journal Science Advances.<\/li><li>The study revealed that the lunar soil at the landing site contains less than 120 parts-per-million (ppm) water, or 120 grams water per tonne.<\/li><li>Researchers also calculated from the data that a light vesicular rock at the moon carries 180 ppm, which is much drier than rocks on Earth.<\/li><li>The presence of water had been confirmed by remote observation but the lander has now detected signs of water in rocks and soil.<\/li><li>A device on-board the lunar lander measured the spectral reflectance of the regolith and the rock and detected water on the spot for the first time.<\/li><li>The presence of water had been confirmed by remote observation but the lander has now detected signs of water in rocks and soil.<\/li><li>A device on-board the lunar lander measured the spectral reflectance of the regolith and the rock and detected water on the spot for the first time.<\/li><li>Researchers from the Chinese Academy of Sciences (CAS) observed that the water content can be estimated since the water molecule or hydroxyl absorbs at a frequency of about three micrometers, the state-<\/li><li>They cited that, it was the solar wind that contributed to the most humidity of lunar soil as it brought hydrogen that makes up the water.<\/li><li>According to the researchers the additional 60 ppm water in the rock may originate from the lunar interior.<\/li><li>Therefore, the rock is estimated to hail from an older, more humid basaltic unit before being ejected onto the landing site to be picked up by the lunar lander.<\/li><li>The study revealed that the moon had turned drier within a certain period, owing probably to the degassing of its mantle reservoir.<\/li><li>The Chang\u2019e 5 spacecraft landed on one of the youngest mare basalts located at mid-high latitude on the moon.<\/li><li>It measured water on the spot and retrieved samples weighing 1,731 grams.<\/li><li>The returned samples are a mixture of granules both on the surface and beneath.<\/li><li>Lin Hong lei, a researcher with the Institute of Geology and Geophysics under CAS said that an in-situ probe can measure the outermost layer of the lunar surface.<\/li><\/ul>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong>By Rajesh Tripathi<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Links:-<\/strong><br><a href=\"https:\/\/science.thewire.in\/the-sciences\/china-chang-e-5-lunar-probe-finds-first-evidence-water-moon-surface\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/science.thewire.in\/the-sciences\/china-chang-e-5-lunar-probe-finds-first-evidence-water-moon-surface\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question: which of the following lunar probe, sent by the China, has discovered first ever on-site evidence of water on the surface of the Moon?a) Chang\u2019e 5b) Chang\u2019e 4c) Chang\u2019e 3d) Yutu- 2Answer: (a)Related Facts:- China\u2019s Chang\u2019e 5 lunar lander has found the first-ever on-site evidence of water on the surface of the moon. This [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":129414,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1123],"tags":[3067],"class_list":["post-129413","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-snes","tag-scientific"],"_links":{"self":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/129413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/comments?post=129413"}],"version-history":[{"count":1,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/129413\/revisions"}],"predecessor-version":[{"id":129415,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/129413\/revisions\/129415"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media\/129414"}],"wp:attachment":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media?parent=129413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/categories?post=129413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/tags?post=129413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}