{"id":669385,"date":"2026-01-02T17:10:20","date_gmt":"2026-01-02T17:10:20","guid":{"rendered":"https:\/\/www.europesays.com\/uk\/669385\/"},"modified":"2026-01-02T17:10:20","modified_gmt":"2026-01-02T17:10:20","slug":"what-is-perihelion-heres-why-earth-is-closer-to-the-sun-on-january-3","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/uk\/669385\/","title":{"rendered":"What is perihelion? Here&#8217;s why Earth is closer to the sun on January 3"},"content":{"rendered":"<p class=\"EkqkG IGXmU nlgHS yuUao lqtkC TjIXL aGjvy \">The change in Earth\u2019s distance from the sun is fairly minimal, however, and perihelion isn&#8217;t something you&#8217;d notice with the naked eye. At perihelion, Earth is about 91.4 million miles from the sun compared to roughly 94.5 million miles at aphelion in July.\u00a0<\/p>\n<p class=\"EkqkG IGXmU nlgHS yuUao lqtkC TjIXL aGjvy \">&#8220;The Earth&#8217;s orbit is also constantly changing from interactions with the other planets in the solar system, especially the Moon and Jupiter, so the time of perihelion can shift by a few hours,&#8221; says\u00a0<a class=\"zZygg UbGlr iFzkS qdXbA WCDhQ DbOXS tqUtK GpWVU iJYzE \" data-testid=\"prism-linkbase\" href=\"https:\/\/www.unlv.edu\/people\/jason-steffen\" target=\"_blank\" dir=\"ltr\" rel=\"noopener\">Jason Steffen<\/a>, assistant professor of physics at the University of Nevada, Las Vegas.<\/p>\n<p>What perihelion does (and doesn&#8217;t) change<\/p>\n<p class=\"EkqkG IGXmU nlgHS yuUao lqtkC TjIXL aGjvy \">While Earth&#8217;s changing distance from the sun does affect our climate, perihelion does not have a drastic impact on our seasons.\u00a0\u00a0<\/p>\n<p><a class=\"zZygg UbGlr iFzkS qdXbA hsDdd cBQOR tqUtK GpWVU iJYzE GpQCA lZur BOsoU YMZw dihEb srtah LmIPo JzlZQ VbrfA zZsl kjmkg OwbFk QuuaM tOHqz GfDiz rCJMb HxCWP \" data-testid=\"prism-linkbase\" href=\"https:\/\/www.nationalgeographic.com\/subscribe\/topic\/give-a-gift?cmpid=int_org=ngp::int_mc=website::int_src=ngp::int_cmp=holiday2025::int_add=articlepromo-lastchance\" aria-label=\"Last Chance - Save up to $20!\" aria-describedby=\"\" target=\"_self\" rel=\"noopener\"><img decoding=\"async\" alt=\"\" class=\"hsDdd NDJZt sJeUN IJwXl \" data-testid=\"prism-image\" draggable=\"false\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2026\/01\/NGM-All-Titles-ARTICLE-PROMO-15215_600x4001.jpg\"\/><\/a><\/p>\n<p>Last Chance &#8211; Save up to $20!<\/p>\n<p>PLUS, for a limited time, get bonus gifts and issues with all Nat Geo subscriptions.<\/p>\n<p class=\"EkqkG IGXmU nlgHS yuUao lqtkC TjIXL aGjvy \">&#8220;Earth&#8217;s 23.5-degree axial tilt is the primary driver of our weather and temperature shifts,&#8221; says McGowan. As Earth orbits the sun, its tilted axis causes each hemisphere to alternately lean toward or away from the sun. When a hemisphere tilts toward the sun,\u00a0<a class=\"zZygg UbGlr iFzkS qdXbA WCDhQ DbOXS tqUtK GpWVU iJYzE \" data-testid=\"prism-linkbase\" href=\"https:\/\/www.nationalgeographic.com\/science\/article\/summer-solstice\" target=\"_blank\" dir=\"ltr\" rel=\"noopener\">days grow longer<\/a>, and sunlight strikes the surface more directly. When it tilts away,\u00a0<a class=\"zZygg UbGlr iFzkS qdXbA WCDhQ DbOXS tqUtK GpWVU iJYzE \" data-testid=\"prism-linkbase\" href=\"https:\/\/www.nationalgeographic.com\/science\/article\/daylight-saving-time\" target=\"_blank\" dir=\"ltr\" rel=\"noopener\">days shorten<\/a>, and sunlight arrives at a shallow angle. Together, these effects change the amount of solar energy reaching Earth\u2019s surface by roughly 50 percent in the mid-latitudes, and by much more at high latitudes.<\/p>\n","protected":false},"excerpt":{"rendered":"The change in Earth\u2019s distance from the sun is fairly minimal, however, and perihelion isn&#8217;t something you&#8217;d notice&hellip;\n","protected":false},"author":2,"featured_media":669386,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[173183,203931,3865,203925,203929,203930,203927,203928,203923,70,16,15,203926,203924,203932],"class_list":{"0":"post-669385","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-science","8":"tag-perihelion","9":"tag-elliptical-orbit","10":"tag-orbit","11":"tag-perihelion-2026","12":"tag-perihelion-definition","13":"tag-perihelion-distance","14":"tag-perihelion-meaning","15":"tag-perihelion-of-earth","16":"tag-perihelion-orbital-mechanics","17":"tag-science","18":"tag-uk","19":"tag-united-kingdom","20":"tag-what-is-a-perihelion","21":"tag-what-is-perihelion","22":"tag-when-is-perihelion"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@uk\/115826617550297129","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/669385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/comments?post=669385"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/669385\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media\/669386"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media?parent=669385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/categories?post=669385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/tags?post=669385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}