{"id":92501,"date":"2026-03-13T13:12:25","date_gmt":"2026-03-13T07:42:25","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=92501"},"modified":"2026-03-16T16:24:52","modified_gmt":"2026-03-16T10:54:52","slug":"van-allen-probe-a","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/van-allen-probe-a\/","title":{"rendered":"Van Allen Probe A"},"content":{"rendered":"<h2><b>Van Allen Probe A Latest News<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">NASA&#8217;s 600 kg Van Allen Probe A satellite is falling back to Earth, raising questions about whether people on the ground should be concerned.<\/span><\/p>\n<h2><b>About Van Allen Probe A<\/b><\/h2>\n<ul>\n<li style=\"text-align: justify;\"><b>NASA\u2019s Van Allen Probes<\/b><span style=\"font-weight: 400;\"> mission was the<\/span><b> first mission to use two spacecraft in tandem to study Earth\u2019s radiation belts.\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><b>Originally designed for a two-year mission<\/b><span style=\"font-weight: 400;\">, the <\/span><b>Van Allen Probes A and B<\/b> <b>launched <\/b><span style=\"font-weight: 400;\">on Aug. 30, <\/span><b>2012<\/b><span style=\"font-weight: 400;\">, and<\/span><b> gathered unprecedented data on Earth\u2019s two permanent radiation belts<\/b><span style=\"font-weight: 400;\"> \u2014 <\/span><b>named for scientist James Van Allen <\/b><span style=\"font-weight: 400;\">\u2014 for\u202falmost seven\u202fyears.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">From 2012 to 2019, the spacecraft and its twin, Van Allen Probe B, <\/span><b>flew through the Van Allen belts<\/b><span style=\"font-weight: 400;\">,<\/span><b> rings of charged particles trapped by Earth\u2019s magnetic field<\/b><span style=\"font-weight: 400;\">, to <\/span><b>understand how particles were gained and lost.\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">The <\/span><b>belts shield Earth from cosmic radiation, <a href=\"https:\/\/vajiramandravi.com\/current-affairs\/solar-storm\/\" target=\"_blank\">solar storms<\/a>, <\/b><span style=\"font-weight: 400;\">and the constantly streaming <\/span><b>solar wind <\/b><span style=\"font-weight: 400;\">that are harmful to humans and can damage technology, so understanding them is important.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">By having two spacecraft with identical instruments, with one followed by the other along nearly the same path, researchers <\/span><b>could measure changes that occur in Earth\u2019s radiation belts over time and through space,<\/b><span style=\"font-weight: 400;\"> providing insights into the physical dynamics of the radiation belts and changes that occur in this critical region of space.<\/span><\/li>\n<li style=\"text-align: justify;\"><b>NASA ended the mission after the two spacecraft ran out of fuel<\/b><span style=\"font-weight: 400;\"> and were no longer able to orient themselves toward the Sun.\u202f<\/span><\/li>\n<\/ul>\n<p><b>Source<\/b><span style=\"font-weight: 400;\">: <\/span><strong><a href=\"https:\/\/www.ndtv.com\/science\/nasas-600kg-satellite-is-falling-back-to-earth-is-there-any-danger-11201980\" target=\"_blank\" rel=\"nofollow noopener\">NDTV<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>NASA\u2019s Van Allen Probes mission was the first mission to use two spacecraft in tandem to study Earth\u2019s radiation belts. Read more about Van Allen Probe A, Features, Latest News.<\/p>\n","protected":false},"author":23,"featured_media":92515,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,22,23,6046],"class_list":{"0":"post-92501","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-upsc-current-affairs","10":"tag-upsc-prelims-current-affairs","11":"tag-van-allen-probe-a","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/92501","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=92501"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/92501\/revisions"}],"predecessor-version":[{"id":92518,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/92501\/revisions\/92518"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/92515"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=92501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=92501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=92501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}