{"id":8583,"date":"2026-03-09T20:24:34","date_gmt":"2026-03-09T20:24:34","guid":{"rendered":"https:\/\/godshand.link\/ground_post\/nasas-van-allen-probe-a-to-re-enter-atmosphere\/"},"modified":"2026-03-09T20:24:34","modified_gmt":"2026-03-09T20:24:34","slug":"nasas-van-allen-probe-a-to-re-enter-atmosphere","status":"publish","type":"ground_post","link":"https:\/\/godshand.link\/en_gb\/ground_post\/nasas-van-allen-probe-a-to-re-enter-atmosphere\/","title":{"rendered":"NASA\u2019s\u00a0Van Allen Probe A\u00a0to Re-Enter Atmosphere\u00a0"},"content":{"rendered":"<p><br \/>\n<\/p>\n<div>\n<p>NASA\u2019s\u00a0Van Allen Probe A<strong>\u00a0<\/strong>is expected to re-enter Earth\u2019s atmosphere almost\u00a014\u00a0years after launch. From\u00a02012\u00a0to\u00a02019, the spacecraft and its twin, Van Allen Probe B, flew through the Van Allen belts,\u00a0rings of charged particles trapped by Earth\u2019s magnetic field,\u00a0to understand how particles were gained and lost.\u00a0The belts shield Earth from cosmic radiation, solar storms, and the constantly streaming solar wind that are harmful to humans and can damage technology, so understanding them is important.\u00a0<\/p>\n<p>As\u00a0of\u00a0March\u00a09,\u00a02026,\u00a0the\u00a0U.S. Space Force\u00a0predicted that the\u00a0roughly 1,323-pound\u00a0spacecraft will re-enter the atmosphere at approximately\u00a07:45\u00a0p.m. EDT on\u00a0March\u00a010,\u00a02026,\u00a0with an uncertainty of\u00a0+\/-\u00a024\u00a0hours.\u00a0NASA expects most of the spacecraft to burn up as it travels through the atmosphere, but some components are expected to survive re-entry. The risk of harm coming to anyone on Earth is low \u2014\u00a0approximately 1 in 4,200.\u00a0NASA and\u00a0Space Force\u00a0will continue to\u00a0monitor\u00a0the re-entry and\u00a0<a target=\"_blank\" href=\"http:\/\/space-track.org\/\" rel=\"noopener\">update\u00a0predictions<\/a>.\u00a0<\/p>\n<p>Originally\u00a0designed\u00a0for a two-year mission, the Van Allen Probes\u00a0A and B\u00a0launched on Aug. 30, 2012, and gathered unprecedented data on Earth\u2019s\u00a0two\u00a0permanent\u00a0radiation belts\u00a0\u2014 named for scientist James Van Allen \u2014 for\u202falmost\u00a0seven\u202fyears.\u00a0NASA ended the mission after the two spacecraft ran out of fuel and were no longer able to orient themselves toward the Sun.\u202f\u00a0<\/p>\n<p>The Van Allen Probes were the first spacecraft designed to\u202foperate\u202fand gather scientific data for many years within the belts, a region around our planet\u202fwhere\u202fmost spacecraft and astronaut missions minimize time\u00a0in order\u00a0to\u00a0avoid damaging radiation.\u202f\u00a0<\/p>\n<p>The\u00a0NASA mission, managed and\u00a0operated\u00a0by\u00a0Johns Hopkins University Applied Physics Lab, made several\u00a0<a target=\"_blank\" href=\"https:\/\/www.nasa.gov\/solar-system\/ten-highlights-from-nasas-van-allen-probes-mission\/\" rel=\"noreferrer noopener\">major discoveries<\/a> about how the radiation belts operate during its lifetime, including\u00a0the first\u00a0data showing the existence of a\u00a0transient\u00a0third radiation belt,\u00a0which can form during times of intense solar activity.\u202f\u00a0<\/p>\n<p>When the mission ended in 2019, analysis\u00a0found\u00a0that the spacecraft would re-enter Earth\u2019s atmosphere in 2034.\u00a0However, those calculations were made before the current solar cycle, which has proven far more active than expected. In 2024, scientists confirmed the Sun had reached its solar maximum, triggering intense space weather events. These conditions increased atmospheric drag on the spacecraft beyond\u00a0initial\u00a0estimates, resulting in an earlier-than-expected re-entry.\u00a0<\/p>\n<p>Data from NASA\u2019s Van Allen Probes mission\u00a0still\u00a0plays\u00a0an important\u00a0role\u00a0in understanding space weather and its effects.\u00a0By reviewing\u00a0archived\u00a0data\u00a0from the mission,\u00a0scientists study the radiation belts surrounding Earth, which are key to\u00a0predicting how solar activity impacts satellites, astronauts, and even systems on Earth\u00a0such as\u00a0communications, navigation, and power grids. By\u00a0observing\u00a0these dynamic regions, the Van Allen Probes contributed to improving forecasts of space weather events and their potential consequences.\u00a0<\/p>\n<p>Van Allen Probe B, the twin of the re-entering spacecraft,\u00a0is not expected to re-enter before 2030.\u00a0<\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/www.nasa.gov\/missions\/van-allen-probes\/nasa-van-allen-probe-a-to-re-enter-atmosphere\/?rand=6349\" target=\"_blank\">Source link <\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>NASA\u2019s\u00a0Van Allen Probe A\u00a0is expected to re-enter Earth\u2019s atmosphere almost\u00a014\u00a0years after launch. From\u00a02012\u00a0to\u00a02019, the spacecraft and its twin, Van Allen Probe B, flew through the Van Allen belts,\u00a0rings of charged particles trapped by Earth\u2019s magnetic field,\u00a0to understand how particles were gained and lost.\u00a0The belts shield Earth from cosmic radiation, solar storms, and the constantly streaming solar wind that are harmful&hellip;<\/p>","protected":false},"author":99073,"featured_media":8584,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"give_campaign_id":0,"footnotes":""},"tags":[2057,1216,2058,2056,366,2059],"ground_category":[137,140],"class_list":["post-8583","ground_post","type-ground_post","status-publish","format-standard","has-post-thumbnail","hentry","tag-allen","tag-atmosphere","tag-ato","tag-nasasvan","tag-probe","tag-reenter","ground_category-1-grounds-science","ground_category-1-3-discover-solar"],"fifu_image_url":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2025\/09\/nasa-meatball-1.jpg","_links":{"self":[{"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/ground_post\/8583","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/ground_post"}],"about":[{"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/types\/ground_post"}],"author":[{"embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/users\/99073"}],"replies":[{"embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/comments?post=8583"}],"version-history":[{"count":0,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/ground_post\/8583\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/media\/8584"}],"wp:attachment":[{"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/media?parent=8583"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/tags?post=8583"},{"taxonomy":"ground_category","embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/ground_category?post=8583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}