{"id":123152,"date":"2021-09-23T08:00:19","date_gmt":"2021-09-23T12:00:19","guid":{"rendered":"https:\/\/www.ucf.edu\/news\/?p=123152"},"modified":"2025-06-25T14:41:00","modified_gmt":"2025-06-25T18:41:00","slug":"neptune-celebrates-175th-birthday-still-a-mystery-worth-solving","status":"publish","type":"post","link":"https:\/\/www.ucf.edu\/news\/neptune-celebrates-175th-birthday-still-a-mystery-worth-solving\/","title":{"rendered":"Neptune Celebrates 175th Birthday, Still a Mystery Worth Solving"},"content":{"rendered":"<p>Students and community members got a nice view of the planet Neptune and its biggest moon Triton during one of September\u2019s Knights Under the Stars events hosted at UCF\u2019s Robinson Observatory.<\/p>\n<p>It was an early look at the planet, which today celebrates its 175<sup>th<\/sup> birthday.<\/p>\n<p>\u201cI did a Neptune project all the way back in my undergraduate days,\u201d says &nbsp;<a href=\"https:\/\/sciences.ucf.edu\/news\/college-of-sciences-celebrates-founders-day-awardees\/\">Pegasus Professor of Physics Joseph Harrington, who specializes in exoplanets<\/a>. \u201cIt was my first real astronomy project. Even today, it\u2019s quite a mystery. There are several mission concepts out there and there\u2019s a highly motivated group of astronomers pushing them, but there are no approved missions \u2013 yet.\u201d<\/p>\n<figure id=\"attachment_110694\" style=\"max-width: 300px;\" class=\"figure\"><noscript><img decoding=\"async\" width=\"300\" height=\"210\" class=\"figure-img size-medium wp-image-110694 img-fluid\" src=\"https:\/\/www.ucf.edu\/news\/wp-content\/blogs.dir\/20\/files\/2020\/06\/WEBJoeHarrington-300x210.jpg\" alt srcset=\"https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/WEBJoeHarrington-300x210.jpg 300w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/WEBJoeHarrington-360x252.jpg 360w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/WEBJoeHarrington.jpg 500w\" sizes=\"(max-width: 300px) 100vw, 300px\"><\/noscript><img decoding=\"async\" width=\"300\" height=\"210\" class=\"figure-img size-medium wp-image-110694 img-fluid lazyload\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20300%20210%22%3E%3C%2Fsvg%3E\" alt srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20300%20210%22%3E%3C%2Fsvg%3E 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" data-srcset=\"https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/WEBJoeHarrington-300x210.jpg 300w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/WEBJoeHarrington-360x252.jpg 360w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/WEBJoeHarrington.jpg 500w\" data-src=\"https:\/\/www.ucf.edu\/news\/wp-content\/blogs.dir\/20\/files\/2020\/06\/WEBJoeHarrington-300x210.jpg\"><figcaption class=\"figure-caption\">Joe Harrington<\/figcaption><\/figure>\n<p>Despite the passage of time, the blue planet continues to captivate planetary scientists worldwide.<\/p>\n<p>It is the narrowest of the gas giants and the furthest major planet out from the sun since Pluto was reclassified to a dwarf planet. Data from observations lead scientists to believe that Neptune is made up of gases and ice with a rocky core. Gravity is expected to be very close to what we experience on Earth because while Neptune has 17 times more mass than Earth, it is also four times larger than our planet. Distance is a challenge too. It would take about nine years to send a spacecraft to the planet with current technology.<\/p>\n<p>There\u2019s only been one flyby of the planet, completed by NASA\u2019s Voyager 2 in 1989. It was a quick run and produced some stunning, but puzzling photos that left more questions than it answered.<\/p>\n<p>The planet has also been studied from afar using the Keck, Hubble, and Spitzer telescopes, but it and its moon Triton still hold many secrets, says Assistant Professor of Physics Theodora Karalidi.<\/p>\n<p>\u201cNeptune \u2026 in a way, it is the closest thing we have to a brown dwarf in the solar system,\u201d Karalidi says. \u201cIf finding life outside our planet is of interest, then exploring Neptune should be of interest. A \u2018good\u2019 atmosphere is important. The more we learn about atmospheres in our solar system, from the Earth to Venus, Mars, Jupiter, and Neptune, the more we can understand atmospheres and differentiate between a planet that can support life from one that cannot. By learning what the key features of different types of clouds, chemistry or atmospheric circulation patterns are in our observations from a distance, and how they compare with observations from up-close, we can make more informed decisions on which planets to stare at for longer periods to see if they have life, even when we have a single pixel to work with.\u201d<\/p>\n<p>Karalidi specializes in atmospheres of other planets. She\u2019s eager to see what Neptune and Triton can tell us about life formation.<\/p>\n<figure id=\"attachment_113019\" style=\"max-width: 300px;\" class=\"figure\"><noscript><img decoding=\"async\" width=\"300\" height=\"200\" class=\"figure-img size-medium wp-image-113019 img-fluid\" src=\"https:\/\/www.ucf.edu\/news\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-300x200.jpg\" alt srcset=\"https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-300x200.jpg 300w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-768x512.jpg 768w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-600x400.jpg 600w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-360x240.jpg 360w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\"><\/noscript><img decoding=\"async\" width=\"300\" height=\"200\" class=\"figure-img size-medium wp-image-113019 img-fluid lazyload\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20300%20200%22%3E%3C%2Fsvg%3E\" alt srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20300%20200%22%3E%3C%2Fsvg%3E 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" data-srcset=\"https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-300x200.jpg 300w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-768x512.jpg 768w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-600x400.jpg 600w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-360x240.jpg 360w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi.jpg 1200w\" data-src=\"https:\/\/www.ucf.edu\/news\/wp-content\/blogs.dir\/20\/files\/2020\/09\/WEBTheodora-Karalidi-300x200.jpg\"><figcaption class=\"figure-caption\">UCF Planetary Scientist Theodora Karalidi.<\/figcaption><\/figure>\n<p>\u201cTriton \u2014 one of the moons of Neptune \u2014 is an intriguing, active body that could host an ocean. This could make it a great location to search for life outside the Earth,\u201d she says. \u201cIf it could host life, understanding Neptune would again be important. The magnetic field of Neptune for example, is weird but we don\u2019t know why. As magnetic fields can be friends and foes to life, how could that affect life on Triton? Also, understanding the weird field of Neptune could also inform us about planetary magnetic fields in general, their interaction with solar wind and cosmic rays, and in extension our own magnetic field and our protection from those factors here on Earth.\u201d<\/p>\n<p>Neptune and Triton will remain visible with telescopes throughout winter. There are Knights Under the Stars events scheduled in October and again in November where the public can see these objects and others through several telescopes set up at the Robinson Observatory \u2014 at no cost. Participants also get a chance to ask questions and get some pointers from UCF faculty and students in the planetary sciences program.<\/p>\n<p>\u201cWe love sharing the wonder of space,\u201d <a href=\"https:\/\/www.ucf.edu\/news\/ucf-host-telescope-night-1st-total-lunar-eclipse-2019\/\">says Yan Fernandez, a physics professor and director of the observatory<\/a>. \u201cThat\u2019s how a lot of us got into space related work. It was simply looking up and seeing how big it is out there and realizing we have so much to learn.\u201d<\/p>\n<figure id=\"attachment_110689\" style=\"max-width: 240px;\" class=\"figure\"><noscript><img decoding=\"async\" width=\"240\" height=\"300\" class=\"figure-img size-medium wp-image-110689 img-fluid\" src=\"https:\/\/www.ucf.edu\/news\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-240x300.jpg\" alt srcset=\"https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-240x300.jpg 240w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-410x512.jpg 410w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-320x400.jpg 320w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-288x360.jpg 288w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall.jpg 480w\" sizes=\"(max-width: 240px) 100vw, 240px\"><\/noscript><img decoding=\"async\" width=\"240\" height=\"300\" class=\"figure-img size-medium wp-image-110689 img-fluid lazyload\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20240%20300%22%3E%3C%2Fsvg%3E\" alt srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20240%20300%22%3E%3C%2Fsvg%3E 240w\" sizes=\"(max-width: 240px) 100vw, 240px\" data-srcset=\"https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-240x300.jpg 240w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-410x512.jpg 410w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-320x400.jpg 320w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-288x360.jpg 288w, https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall.jpg 480w\" data-src=\"https:\/\/www.ucf.edu\/news\/wp-content\/blogs.dir\/20\/files\/2020\/06\/YanSmall-240x300.jpg\"><figcaption class=\"figure-caption\">Yanga Fernandez<\/figcaption><\/figure>\n<p>Because of COVID19 Knights Under the Stars have limited capacity. To get more information and RSVP, visit the observatory\u2019s website.&nbsp; Check out next month\u2019s line up which includes participation in the International Observe the Moon Night on Oct.16.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UCF faculty talk about the solar system\u2019s outermost giant planet and why unlocking its secrets matter.<\/p>\n","protected":false},"author":16,"featured_media":123153,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"lazy_load_responsive_images_disabled":false,"footnotes":"","_links_to":"","_links_to_target":"","_wp_rev_ctl_limit":""},"categories":[5,6,23,24],"tags":[982,1775,8128,4361,47686,7841],"tu_author":[],"class_list":["post-123152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-colleges","category-community","category-research","category-science-technology","tag-college-of-sciences","tag-florida-space-instit","tag-joe-harrington","tag-space","tag-theodora-karalidi","tag-yan-fernandez"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Neptune Celebrates 175th Birthday, Still a Mystery Worth Solving | University of Central Florida News<\/title>\n<meta name=\"description\" content=\"UCF faculty talk about the solar system\u2019s outermost giant planet and why unlocking its secrets matter.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ucf.edu\/news\/neptune-celebrates-175th-birthday-still-a-mystery-worth-solving\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Neptune Celebrates 175th Birthday, Still a Mystery Worth Solving\" \/>\n<meta property=\"og:description\" content=\"UCF faculty talk about the solar system\u2019s outermost giant planet and why unlocking its secrets matter.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ucf.edu\/news\/neptune-celebrates-175th-birthday-still-a-mystery-worth-solving\/\" \/>\n<meta property=\"og:site_name\" content=\"University of Central Florida News | UCF Today\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/UCF\" \/>\n<meta property=\"article:published_time\" content=\"2021-09-23T12:00:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-25T18:41:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ucf.edu\/wp-content\/blogs.dir\/20\/files\/2021\/09\/WEBneptunetriton.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Zenaida Kotala\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@UCF\" \/>\n<meta name=\"twitter:site\" content=\"@UCF\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Zenaida Kotala\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.ucf.edu\\\/news\\\/neptune-celebrates-175th-birthday-still-a-mystery-worth-solving\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ucf.edu\\\/news\\\/neptune-celebrates-175th-birthday-still-a-mystery-worth-solving\\\/\"},\"author\":{\"name\":\"Zenaida Kotala\",\"@id\":\"https:\\\/\\\/www.ucf.edu\\\/news\\\/#\\\/schema\\\/person\\\/4f0fdedfa744a8bfddd06132e6ce9b5e\"},\"headline\":\"Neptune Celebrates 175th Birthday, Still a Mystery Worth Solving\",\"datePublished\":\"2021-09-23T12:00:19+00:00\",\"dateModified\":\"2025-06-25T18:41:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.ucf.edu\\\/news\\\/neptune-celebrates-175th-birthday-still-a-mystery-worth-solving\\\/\"},\"wordCount\":765,\"image\":{\"@id\":\"https:\\\/\\\/www.ucf.edu\\\/news\\\/neptune-celebrates-175th-birthday-still-a-mystery-worth-solving\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ucf.edu\\\/wp-content\\\/blogs.dir\\\/20\\\/files\\\/2021\\\/09\\\/WEBneptunetriton.jpg\",\"keywords\":[\"College of Sciences\",\"Florida Space institute\",\"Joe Harrington\",\"space\",\"Theodora Karalidi\",\"Yan Fernandez\"],\"articleSection\":[\"Colleges &amp; 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