{"id":3784,"date":"2026-03-23T05:13:53","date_gmt":"2026-03-23T05:13:53","guid":{"rendered":"https:\/\/globalnewstoday.uk\/index.php\/2026\/03\/23\/astronomy-picture-of-the-day-nasa-gov\/"},"modified":"2026-03-23T05:13:53","modified_gmt":"2026-03-23T05:13:53","slug":"astronomy-picture-of-the-day-nasa-gov","status":"publish","type":"post","link":"https:\/\/globalnewstoday.uk\/index.php\/2026\/03\/23\/astronomy-picture-of-the-day-nasa-gov\/","title":{"rendered":"Astronomy Picture of the Day &#8211; NASA (.gov)"},"content":{"rendered":"<p>  <a href=\"archivepix.html\">Discover the cosmos!<\/a> Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. <br \/>  2026 March 23   <br \/>   <a href=\"image\/2603\/LightPillarsMohe_Dai_2000.jpg\"> <img decoding=\"async\" src=\"image\/2603\/LightPillarsMohe_Dai_1080.jpg\" alt=\"A starry sky appears above a snowy street with a  house on the right. The constellation of Orion is  visible on the left. Up from the ground many pillars of light are seen. Two people stand watching the pillars on the street in the foreground.  Please see the explanation for more detailed information.\" style=\"max-width:100%\"><\/a> <br \/>   <b> Explanation: <\/b>  What&#8217;s happening at the end of that street?   Pictured here are not  <a href=\"https:\/\/science.nasa.gov\/sun\/auroras\/\">auroras<\/a> but  <a href=\"https:\/\/en.wikipedia.org\/wiki\/Light_pillar\" >light pillar<\/a>s, a phenomenon typically much closer.   In most places on  <a href=\"ap260422.html\">Earth<\/a>, a lucky viewer can see a  <a href=\"ap010313.html\">Sun pillar<\/a>,  a column of light appearing to extend up from the  <a href=\"https:\/\/science.nasa.gov\/sun\/\">Sun<\/a>  caused by flat fluttering  <a href=\"https:\/\/atoptics.co.uk\/blog\/real-crystals\/\" >ice-crystals<\/a> reflecting sunlight from the  <a href=\"https:\/\/www.nasa.gov\/image-article\/earths-upper-atmosphere\/\" >upper atmosphere<\/a>.   Usually, these ice  <a href=\"https:\/\/en.wikipedia.org\/wiki\/Crystal\">crystal<\/a>s  evaporate before reaching the ground.   During <a href= \"https:\/\/www.reddit.com\/r\/aww\/comments\/726otg\/my_cat_likes_being_bundled_up\/#lightbox\" >freezing temperatures, however,  <a href=\"https:\/\/imgur.com\/cat-is-rectangle-ELtLVZy\">flat<\/a>  fluttering  <a href=\"https:\/\/www.lwpetersen.com\/atmospheric-optics\/light-pillars\/\" >ice crystals<\/a> may form near the ground and are sometimes known as a  <a href=\"ap231220.html\">crystal fog<\/a>.   These small <a href=\"https:\/\/en.wikipedia.org\/wiki\/Ice_crystal\" >ice crystal<\/a>s may then reflect not the Sun but  <a href=\"ap060305.html\">ground lights<\/a>.   The featured image captured not only  <a href=\"ap160208.html\">numerous light pillars<\/a> but also the iconic  <a href=\"https:\/\/science.nasa.gov\/universe\/discovering-the-universe-through-the-constellation-orion\/\" >constellation of Orion<\/a>, and was taken in  <a href=\"https:\/\/www.youtube.com\/shorts\/gwa4n5zwnZs\" >Mohe<\/a>, the northernmost city in  <a href=\"https:\/\/en.wikipedia.org\/wiki\/China\">China<\/a>.    <\/p>\n<p> <center>  <b> Tomorrow&#8217;s picture: <\/b>lumpy Earth   <\/p>\n<hr>\n<p> <a href=\"ap260322.html\">&lt;<\/a> | <a href=\"archivepix.html\">Archive<\/a> | <a href=\"lib\/apsubmit2015.html\">Submissions<\/a>  | <a href=\"lib\/aptree.html\">Index<\/a> | <a href=\"https:\/\/antwrp.gsfc.nasa.gov\/cgi-bin\/apod\/apod_search\">Search<\/a> | <a href=\"calendar\/allyears.html\">Calendar<\/a> | <a href=\"https:\/\/apod.com\/feed.rss\">RSS<\/a> | <a href=\"lib\/edlinks.html\">Education<\/a> | <a href=\"lib\/about_apod.html\">About APOD<\/a> | <a href= \"https:\/\/asterisk.apod.com\/discuss_apod.php?date=260323\">Discuss<\/a> | <a href=\"ap260324.html\">&gt;<\/a>  <\/p>\n<hr>\n<p> <b> Authors &#038; editors: <\/b> <a href=\"http:\/\/www.phy.mtu.edu\/faculty\/Nemiroff.html\">Robert Nemiroff<\/a> (<a href=\"http:\/\/www.phy.mtu.edu\/\">MTU<\/a>) &#038; <a href=\"https:\/\/antwrp.gsfc.nasa.gov\/htmltest\/jbonnell\/www\/bonnell.html\" >Jerry Bonnell<\/a> (<a href=\"http:\/\/www.astro.umd.edu\/\">UMCP<\/a>)<br \/> <b>NASA Official: <\/b> Amber Straughn <a href=\"lib\/about_apod.html#srapply\">Specific rights apply<\/a>.<br \/> <a href=\"https:\/\/www.nasa.gov\/about\/highlights\/HP_Privacy.html\">NASA Web Privacy<\/a>, <a href=\"https:\/\/www.nasa.gov\/general\/accessibility\/\">Accessibility<\/a>,  <a href=\"https:\/\/www.nasa.gov\/privacy\/\">Notices<\/a>; <br \/> <b>A service of:<\/b> <a href=\"https:\/\/astrophysics.gsfc.nasa.gov\/\">ASD<\/a> at <a href=\"https:\/\/www.nasa.gov\/\">NASA<\/a> \/ <a href=\"https:\/\/www.nasa.gov\/centers\/goddard\/\">GSFC<\/a>, <br \/> <a href=\"https:\/\/science.nasa.gov\/learners\">NASA Science Activation<\/a> <br \/><b>&#038;<\/b> <a href=\"http:\/\/www.mtu.edu\/\">Michigan Tech. U.<\/a><br \/> <\/center> <!-- Parse.ly JavaScript Snippet --> <script id=\"parsely-cfg\" src=\"\/\/cdn.parsely.com\/keys\/apod.nasa.gov\/p.js\" async=\"\" defer=\"\"><\/script> <br \/> <center>  <b> Tomorrow&#8217;s picture: <\/b>lumpy Earth   <\/p>\n<hr>\n<p> <a href=\"ap260322.html\">&lt;<\/a> | <a href=\"archivepix.html\">Archive<\/a> | <a href=\"lib\/apsubmit2015.html\">Submissions<\/a>  | <a href=\"lib\/aptree.html\">Index<\/a> | <a href=\"https:\/\/antwrp.gsfc.nasa.gov\/cgi-bin\/apod\/apod_search\">Search<\/a> | <a href=\"calendar\/allyears.html\">Calendar<\/a> | <a href=\"https:\/\/apod.com\/feed.rss\">RSS<\/a> | <a href=\"lib\/edlinks.html\">Education<\/a> | <a href=\"lib\/about_apod.html\">About APOD<\/a> | <a href= \"https:\/\/asterisk.apod.com\/discuss_apod.php?date=260323\">Discuss<\/a> | <a href=\"ap260324.html\">&gt;<\/a>  <\/p>\n<hr>\n<p> <b> Authors &#038; editors: <\/b> <a href=\"http:\/\/www.phy.mtu.edu\/faculty\/Nemiroff.html\">Robert Nemiroff<\/a> (<a href=\"http:\/\/www.phy.mtu.edu\/\">MTU<\/a>) &#038; <a href=\"https:\/\/antwrp.gsfc.nasa.gov\/htmltest\/jbonnell\/www\/bonnell.html\" >Jerry Bonnell<\/a> (<a href=\"http:\/\/www.astro.umd.edu\/\">UMCP<\/a>)<br \/> <b>NASA Official: <\/b> Amber Straughn <a href=\"lib\/about_apod.html#srapply\">Specific rights apply<\/a>.<br \/> <a href=\"https:\/\/www.nasa.gov\/about\/highlights\/HP_Privacy.html\">NASA Web Privacy<\/a>, <a href=\"https:\/\/www.nasa.gov\/general\/accessibility\/\">Accessibility<\/a>,  <a href=\"https:\/\/www.nasa.gov\/privacy\/\">Notices<\/a>; <br \/> <b>A service of:<\/b> <a href=\"https:\/\/astrophysics.gsfc.nasa.gov\/\">ASD<\/a> at <a href=\"https:\/\/www.nasa.gov\/\">NASA<\/a> \/ <a href=\"https:\/\/www.nasa.gov\/centers\/goddard\/\">GSFC<\/a>, <br \/> <a href=\"https:\/\/science.nasa.gov\/learners\">NASA Science Activation<\/a> <br \/><b>&#038;<\/b> <a href=\"http:\/\/www.mtu.edu\/\">Michigan Tech. U.<\/a><br \/> <\/center> <!-- Parse.ly JavaScript Snippet --> <script id=\"parsely-cfg\" src=\"\/\/cdn.parsely.com\/keys\/apod.nasa.gov\/p.js\" async=\"\" defer=\"\"><\/script>  <\/p>\n<hr>\n<p> <a href=\"ap260322.html\">&lt;<\/a> | <a href=\"archivepix.html\">Archive<\/a> | <a href=\"lib\/apsubmit2015.html\">Submissions<\/a>  | <a href=\"lib\/aptree.html\">Index<\/a> | <a href=\"https:\/\/antwrp.gsfc.nasa.gov\/cgi-bin\/apod\/apod_search\">Search<\/a> | <a href=\"calendar\/allyears.html\">Calendar<\/a> | <a href=\"https:\/\/apod.com\/feed.rss\">RSS<\/a> | <a href=\"lib\/edlinks.html\">Education<\/a> | <a href=\"lib\/about_apod.html\">About APOD<\/a> | <a href= \"https:\/\/asterisk.apod.com\/discuss_apod.php?date=260323\">Discuss<\/a> | <a href=\"ap260324.html\">&gt;<\/a>  <\/p>\n<hr>\n<p> <b> Authors &#038; editors: <\/b> <a href=\"http:\/\/www.phy.mtu.edu\/faculty\/Nemiroff.html\">Robert Nemiroff<\/a> (<a href=\"http:\/\/www.phy.mtu.edu\/\">MTU<\/a>) &#038; <a href=\"https:\/\/antwrp.gsfc.nasa.gov\/htmltest\/jbonnell\/www\/bonnell.html\" >Jerry Bonnell<\/a> (<a href=\"http:\/\/www.astro.umd.edu\/\">UMCP<\/a>)<br \/> <b>NASA Official: <\/b> Amber Straughn <a href=\"lib\/about_apod.html#srapply\">Specific rights apply<\/a>.<br \/> <a href=\"https:\/\/www.nasa.gov\/about\/highlights\/HP_Privacy.html\">NASA Web Privacy<\/a>, <a href=\"https:\/\/www.nasa.gov\/general\/accessibility\/\">Accessibility<\/a>,  <a href=\"https:\/\/www.nasa.gov\/privacy\/\">Notices<\/a>; <br \/> <b>A service of:<\/b> <a href=\"https:\/\/astrophysics.gsfc.nasa.gov\/\">ASD<\/a> at <a href=\"https:\/\/www.nasa.gov\/\">NASA<\/a> \/ <a href=\"https:\/\/www.nasa.gov\/centers\/goddard\/\">GSFC<\/a>, <br \/> <a href=\"https:\/\/science.nasa.gov\/learners\">NASA Science Activation<\/a> <br \/><b>&#038;<\/b> <a href=\"http:\/\/www.mtu.edu\/\">Michigan Tech. U.<\/a><\/p>\n<p><a href=\"https:\/\/news.google.com\/rss\/articles\/CBMiQEFVX3lxTE9CbXhGZEo0N1BiMlZkZEYzQlkzYkVOb3BxTjJQM2owYXBqWkRteGc2alVWYVM4dW95YzhySXJQZHo?oc=5\">source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2026 March 23 Explanation: What&#8217;s happening at the end of that street? Pictured here are not auroras but light pillars, a phenomenon typically much closer. In most places on [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3785,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":{"0":"post-3784","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-science"},"_links":{"self":[{"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/posts\/3784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/comments?post=3784"}],"version-history":[{"count":0,"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/posts\/3784\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/media\/3785"}],"wp:attachment":[{"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/media?parent=3784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/categories?post=3784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalnewstoday.uk\/index.php\/wp-json\/wp\/v2\/tags?post=3784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}