{"id":108566,"date":"2026-06-17T13:43:37","date_gmt":"2026-06-17T08:13:37","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=108566"},"modified":"2026-06-17T13:43:37","modified_gmt":"2026-06-17T08:13:37","slug":"grapes-3-telescope","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/grapes-3-telescope\/","title":{"rendered":"GRAPES-3 Telescope"},"content":{"rendered":"<h2><b>GRAPES-3 Telescope Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Recently, researchers from Mumbai, Kochi, and Japan used the GRAPES-3 telescope to track how the earth\u2019s upper atmosphere temperature and the sun\u2019s magnetic field affect muons \u2014 subatomic particles from space.\u00a0\u00a0<\/span><\/p>\n<h2><b>About GRAPES-3 Telescope<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gamma Ray Astronomy PeV EnergieS phase-3<\/b><span style=\"font-weight: 400;\"> (GRAPES-3) is designed to <\/span><b>study the origin, acceleration and propagation of cosmic rays <\/b><span style=\"font-weight: 400;\">through measurement of extensive air showers.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is induced by <\/span><b>primary cosmic rays<\/b><span style=\"font-weight: 400;\"> or gamma rays entering the Earth\u2019s atmosphere in tera to peta electronvolt energies.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It also studies solar and thunderstorm phenomena using cosmic <\/span><b>ray muons.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">GRAPES-3 employs an array of plastic scintillator detectors and a large area muon detector based on proportional counters.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Location:<\/b><span style=\"font-weight: 400;\"> It is located <\/span><b>in Ooty, India.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is operated by the <\/span><b>Tata Institute of Fundamental Research.<\/b><\/li>\n<\/ul>\n<h3><b>Key Facts about Cosmic rays<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">These rays were discovered more than a century ago.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They are considered to be the <\/span><b>most energetic particles in the universe.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Our <\/span><b>planet is constantly bombarded<\/b><span style=\"font-weight: 400;\"> by them from outer space almost uniformly from all directions at a constant rate.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They enter into Earth\u2019s atmosphere and induce a shower of particles that travel to the ground almost at the speed of light.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The shower particles constitute <\/span><b>electrons, photons, muons, protons, neutrons etc.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They have been observed over a remarkably wide energy range (108 to 1020 eV).<\/span><\/li>\n<\/ul>\n<p><b>Source: <\/b><strong><a href=\"https:\/\/epaper.thehindu.com\/reader?utm_source=Hindu&amp;utm_medium=Menu&amp;utm_campaign=Header&amp;_gl=1*tw5qlb*_gcl_au*MTA0MzQ0OTM0My4xNzc0ODQ1MTU2LjE1MTQ1MDY4MTUuMTc4MTY3MzgwMC4xNzgxNjczODA4\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>GRAPES-3 Telescope is designed to study the origin, acceleration and propagation of cosmic rays through measurement of extensive air showers. Read more about GRAPES-3 Telescope, Aim, Features, Latest News.<\/p>\n","protected":false},"author":24,"featured_media":108556,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[8174],"class_list":{"0":"post-108566","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-grapes-3-telescope","9":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/108566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=108566"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/108566\/revisions"}],"predecessor-version":[{"id":108596,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/108566\/revisions\/108596"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/108556"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=108566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=108566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=108566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}