{"id":22357,"date":"2024-04-09T16:36:03","date_gmt":"2024-04-09T16:36:03","guid":{"rendered":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/04\/09\/during-the-awe-of-totality-scientists-studied-our-planets-reactions\/"},"modified":"2024-04-09T16:36:03","modified_gmt":"2024-04-09T16:36:03","slug":"during-the-awe-of-totality-scientists-studied-our-planets-reactions","status":"publish","type":"post","link":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/04\/09\/during-the-awe-of-totality-scientists-studied-our-planets-reactions\/","title":{"rendered":"\u200b\u200bDuring the awe of totality, scientists studied our planet\u2019s reactions"},"content":{"rendered":"<div style=\"text-align:center\"><\/div> \r\n<br><div data-component=\"video-embed\">\n\t\t\t\t\n\n\n\n\n<p><strong>WILLS POINT, Texas<\/strong> \u2014 <em>Splish-splash<\/em>. The moment the sun went behind the moon, the snapping turtles all simultaneously slipped into the waters of Lake Tawakoni. Twilight painted the world. Clouds raced across the sky. Just beside the moon-covered sun sat bright Jupiter, shining in the middle of the day. Most birds and insects had grown hushed or gone completely silent.\u00a0\u00a0<\/p>\n\n\n\n<p>It\u2019s hard to fully encapsulate the feeling of a total solar eclipse; how it changes <a href=\"https:\/\/www.sciencenews.org\/article\/why-colors-different-total-eclipse\">the quality of the light<\/a> in your surroundings, how the temperature drops so suddenly that you unexpectedly shiver (<em>SN: 4\/1\/24<\/em>). But on April 8, I and millions of people across North America got to witness a celestial wonder.<\/p>\n\n\n<aside class=\"sn-conversion rich-text rich-text--with-sidebar\">\n<style><![CDATA[\n.email-conversion {\n  border: 1px solid #ffcccb;\n  color: white;\n  margin-top: 50px;\n  background-image: url(\"\/wp-content\/themes\/sciencenews\/client\/src\/images\/cta-module@2x.jpg\");\n  padding: 20px;\n  clear: both;\n}\n\n]]><\/style>\n\n\n\n                        <style class=\"is-layout-flow wp-block-group-is-layout-flow\"><![CDATA[.zephr-payment-form.svelte-13h66j{margin:20px auto;padding:20px;background-color:#fff;font-family:var(--zephr-typography-body-font),\n            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var(--zephr-typography-body-fallbackFont)}.zephr-payment-form-password-requirement-icon.svelte-byif2s.svelte-byif2s{margin-right:10px;font-size:15px}.zephr-payment-form-google-icon.svelte-1fdq0ht{width:20px}]]><\/style>\n                        \n                        <style><![CDATA[#zephr-payment-form-root > div {\n    background-image: url(https:\/\/sciencenews.org\/wp-content\/themes\/sciencenews\/client\/src\/images\/cta-module@2x.jpg);\n    padding:20px;\n    max-width: 100%;\n   \n}\n\n#zephr-payment-form-root > div > button {\n    max-width: 50%;\n    margin-left: auto;\n    margin-right: auto;\n    border-radius: 1px;\n    background-color: #e04821;\n    color: white;\n}\n#zephr-payment-form-root > div > div.zephr-payment-form-custom-text.svelte-s692p7{\n    color:white;\n}\n#zephr-payment-form-root > div > label > span {\n    color:white;\n}    \n.zephr-payment-form-input-label.svelte-1ozx4pz span.svelte-1ozx4pz {\n    display: none;\n}\n.zephr-payment-form-checkbox-label.svelte-eq3e4e {\n    display: flex;\n    align-items: center;\n    font-family: var(--zephr-typography-body-font), var(--zephr-typography-body-fallbackFont);\n    color: white;\n    font-weight: bold;\n}]]><\/style>\n                        \n                        \n\n<\/aside>\n\n\n<p>I\u2019d ventured to Wills Point, about an hour east of Dallas, to meet up with Darci Snowden, a space physicist at Central Washington University in Ellensburg and her undergraduate students. From a wooden pier, they were sending up weather balloons to capture data, delighting local families who gathered to watch the balloons ascend into the sky.<\/p>\n\n\n\n<p>For days leading up to the eclipse, the forecast in Texas had been poor, with potential thunderstorms and cloud cover blocking the skies. When things finally shook out, we had a nice long period of cloudless sky as the moon moved in front of the sun, turning it into a sliver. Just at the moment of totality, a big cloud came by, leading to groans all around. Luckily, the sun\u2019s usually invisible atmosphere, the corona, broke through patches in the clouds. Tiny red dots could be seen at the sun\u2019s edges \u2014 fiery flares erupting from its surface.<\/p>\n\n\n\n<p>Cloudy or clear, there was still science to be done. Total solar eclipses provide rare opportunities to study the sun and its impact on Earth in unprecedented ways.<\/p>\n\n\n\n<p>Here in Wills Point, starting at 2 p.m. CDT the day before the April 8 eclipse, Snowden\u2019s team began launching a series of 30 weather balloons. The plan was to loft one every hour, all through the night, continuing for six hours after the eclipse. Buoyed by helium, these balloons are capable of soaring to a height of 33 kilometers (20 miles) into the stratosphere, the atmosphere\u2019s second-lowest layer. They carried battery-powered instrument packages called radiosondes to collect such data as temperature, humidity, pressure, and wind direction and speed.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><p>\n<div class=\"youtube-embed\" data-video_id=\"HhXG1LgQLj4\"><iframe loading=\"lazy\" title=\"Studying the atmosphere during a total solar eclipse | Science News\" width=\"696\" height=\"392\" src=\"https:\/\/www.youtube.com\/embed\/HhXG1LgQLj4?feature=oembed&#038;enablejsapi=1\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/p><figcaption class=\"wp-element-caption\">Central Washington University undergraduates Eli Pugsley (left) and Jo Burke (right) launch a weather balloon from a pier in Wills Point, Texas, to collect information about the eclipse\u2019s effect on the atmosphere. Along with their professor, space physicist Darci Snowden, the team from Ellensburg, Wash., were one of many teams along the path of totality taking part in NASA\u2019s Nationwide Eclipse Ballooning Project.\u00a0<\/figcaption><\/figure>\n\n\n\n<p>Snowden and her students hope to get detailed information on how an out-of-the-ordinary event like a total solar eclipse affects Earth\u2019s atmosphere. They are studying what happens in the atmosphere\u2019s lowest region, known as the planetary boundary layer, which reaches a height of around two kilometers and blankets Earth\u2019s surface. Changes in this layer are driven by two things: the topology of the ground, including objects such as mountains, buildings and forests; and solar radiation raining down from above.\u00a0<\/p>\n\n\n\n<p>In particular, the team is looking for evidence of gravity waves. Not to be confused with gravitational waves \u2014 ripples in the fabric of spacetime occurring when massive astronomical objects like black holes collide \u2014 gravity waves are a more down-to-earth phenomenon. They can occur when pockets of air are forced upward by something like a mountain range and then are pulled back down by the force of gravity, creating a periodic oscillation that can carry energy through the atmosphere. Rapid temperature changes can also set them off. As cool air becomes denser and sinks, it sometimes sinks so low that it overshoots its equilibrium point and then floats back up, generating a wave.<\/p>\n\n\n\n<p>\u201cIt\u2019s a little like pushing down an ice cube in a glass of water,\u201d Snowden says.<\/p>\n\n\n\n<p>During the last U.S. total solar eclipse in 2017, a team of scientists flew balloons outside the path of totality in Wyoming and New York and found hints that the shadow of the moon racing across the atmosphere <a href=\"https:\/\/journals.ametsoc.org\/view\/journals\/bams\/100\/6\/bams-d-17-0331.1.xml\" target=\"_blank\" rel=\"noopener\">generated gravity waves<\/a> close to the ground that moved outward like bow waves from a traveling ship. Such a phenomenon had been predicted nearly 50 years prior but never definitively seen. During that same 2017 event, eclipse-driven gravity waves were conclusively spotted for the first time <a href=\"https:\/\/www.sciencenews.org\/article\/great-american-solar-eclipse-wave-atmosphere\">higher up in the atmosphere<\/a> (<em>SN: 4\/30\/18<\/em>).<\/p>\n\n\n\n<p>This time around, Snowden is hoping to confirm the previous hints of their existence in lower atmospheric layers. The goal of the balloons launched 24 hours prior to totality, when the moon completely blocks the sun, was to collect baseline readings before the eclipse. These could then be compared to the measurements taken during and after the event.\u00a0<\/p>\n\n\n\n\n\n<p>Such data could help lead to better short-term weather and long-term climate predictions. While gravity waves are among the smallest atmospheric waves that scientists study, their effects can be significant. They influence turbulence, transfer heat and mix airborne chemicals all over our planet. Many travel vast distances, sometimes breaking like ocean waves 500 or more kilometers above Earth\u2019s surface.<\/p>\n\n\n\n<p>Getting the team\u2019s weather balloons up just before and after totality was \u201cdefinitely stressful,\u201d says Eli Pugsley, a senior physics major who was helping to lead the launches. \u201cBut once we got into a rhythm, everybody does their job and it goes really smoothly.\u201d\u00a0<\/p>\n\n\n\n<p>The students\u2019 data will be compiled alongside that from around 40 other teams with NASA\u2019s <a href=\"https:\/\/science.nasa.gov\/sciact-team\/nationwide-eclipse-ballooning-project\/\" target=\"_blank\" rel=\"noopener\">Nationwide Eclipse Ballooning Project<\/a>, who were also launching weather balloons along the path of totality. Taken together, the information may determine if the eclipse produced gravity waves in the lower atmosphere, though processing and analyzing the data will take about a year, Snowden says.\u00a0<\/p>\n\n\n\n<p>Other eclipse-related experiments were being conducted all over the country by <a href=\"https:\/\/www.sciencenews.org\/article\/total-solar-eclipse-sun-science-viewing-2024\">researchers<\/a> and groups of <a href=\"https:\/\/www.sciencenews.org\/article\/citizen-scientists-2024-solar-eclipse\">citizen scientists<\/a> alike, while crowds of eclipse watchers poured into towns all along the path of totality hoping for a cloud-free view of the celestial phenomenon (<em>SN: 10\/18\/23; SN: 1\/4\/24<\/em>).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><figcaption class=\"wp-element-caption\"><span class=\"caption wp-caption-3138438\">Crowds gathered at Southern Illinois University in Carbondale to view the April 8, 2024, solar eclipse. Millions of people live in or traveled to be in the path of totality, where the moon completely blocked the sun, with scenes like this one playing out all across the country and in Mexico and Canada.<\/span><span class=\"credit wp-credit-3138438\">Scott Olson\/Getty Images<\/span><\/figcaption><\/figure>\n\n\n\n<p>At the University of Texas, Dallas campus, for instance, physicist Fabiano Rodrigues and his team had their eyes on the ionosphere, which starts around 80 to 90 kilometers above the surface.<\/p>\n\n\n\n<p>Solar radiation bombards the thin atmospheric gases in this layer, ripping apart their atoms into electrons and nuclei, a process called ionization. At night, free from the solar barrage, these ions have a chance to recombine. Similar changes happen during the sudden shift to darkness during a total solar eclipse.\u00a0<\/p>\n\n\n\n<p>Rodrigues and his students placed cheap, off-the-shelf devices capable of receiving satellite signals, such as GPS, in a giant triangle: one on campus, one around 100 kilometers to the north, and the third about 50 kilometers east in the town of Terrell. These detectors watch the <a href=\"https:\/\/scintpi.utdallas.edu\/\" target=\"_blank\" rel=\"noopener\">real-time rise and fall<\/a> of electron content in the ionosphere, a proxy for how ionized it is.\u00a0<\/p>\n\n\n\n<p>The data Rodrigues and his team collected during the eclipse could help confirm predictions of just how much the ionosphere will deionize in response to the loss of sunlight from the eclipse, or where these predictions are still coming up short. Such data will be used to learn how changes in the ionosphere affect and degrade the satellite transmissions that are so crucial for such things as communication and navigation, so that engineers can compensate for those impacts in the future.<\/p>\n\n\n<div class=\"wp-block-image  has-alignleft\">\n<figure class=\"alignleft size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"671\" height=\"450\" src=\"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/04\/040824_AM_eclipse_inline-2.jpg?resize=671%2C450&amp;ssl=1\" alt=\"Physicist Fabiano Rodrigues with eclipse intstrument\" class=\"wp-image-3138437\" srcset=\"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/04\/040824_AM_eclipse_inline-2.jpg?resize=671%2C450&amp;ssl=1 671w, https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/04\/040824_AM_eclipse_inline-2.jpg?resize=571%2C383&amp;ssl=1 571w, https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/04\/040824_AM_eclipse_inline-2.jpg?resize=277%2C186&amp;ssl=1 277w, https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/04\/040824_AM_eclipse_inline-2.jpg?w=680&amp;ssl=1 680w\" sizes=\"(max-width: 671px) 100vw, 671px\" data-recalc-dims=\"1\"\/><figcaption class=\"wp-element-caption\"><span class=\"caption wp-caption-3138437\">Physicist Fabiano Rodrigues of the University of Texas at Dallas stands with an autonomous solar-powered device that uses satellite signals to monitor disturbances in the ionosphere produced by the eclipse. <\/span><span class=\"credit wp-credit-3138437\">University of Texas at Dallas<\/span><\/figcaption><\/figure><\/div>\n\n\n<p>Electron counts in the ionosphere dipped just as expected during the event, Rodrigues says, though it will likely take at least a few days before he can figure out which models made the most accurate predictions. Despite some cloud cover in Dallas, he\u2019s quite pleased with how things shook out.\u00a0\u00a0<\/p>\n\n\n\n<p>Meanwhile, as the sun brightened back to its normal levels above Lake Tawakoni, Snowden and her team were able to take a moment to reflect on what they\u2019d just witnessed before returning to their balloon launches.\u00a0<\/p>\n\n\n\n<p>\u201cIt\u2019s an amazing experience,\u201d she says. \u201cAnd I feel really fortunate to have seen it.\u201d<\/p>\n\n\n\n\t\t\t<\/div>\r\n<br>\r\n<br><a href=\"https:\/\/www.sciencenews.org\/article\/totality-scientists-studied-planets-reactions-solar-eclipse\">Source link <\/a>","protected":false},"excerpt":{"rendered":"<p>WILLS POINT, Texas \u2014 Splish-splash. The moment the sun went behind the moon, the snapping turtles all simultaneously slipped into the waters of Lake Tawakoni. Twilight painted the world. Clouds raced across the sky. Just beside the moon-covered sun sat bright Jupiter, shining in the middle of the day. Most birds and insects had grown [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":22358,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","fifu_image_url":"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/04\/040824_AM_eclipse_inline-3.jpg?resize=674%2C450&ssl=1","fifu_image_alt":"","footnotes":""},"categories":[606],"tags":[27834,18062,27836,601,27835,27061],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/22357"}],"collection":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/comments?post=22357"}],"version-history":[{"count":1,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/22357\/revisions"}],"predecessor-version":[{"id":22359,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/22357\/revisions\/22359"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media\/22358"}],"wp:attachment":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media?parent=22357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/categories?post=22357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/tags?post=22357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}