{"id":1255,"date":"2023-11-24T23:45:00","date_gmt":"2023-11-24T23:45:00","guid":{"rendered":"https:\/\/science.gsfc.nasa.gov\/stella\/?p=1255"},"modified":"2026-05-19T23:31:33","modified_gmt":"2026-05-19T23:31:33","slug":"stella-poster-agu2023","status":"publish","type":"post","link":"https:\/\/science.gsfc.nasa.gov\/stella\/stella-poster-agu2023\/","title":{"rendered":"STELLA Poster AGU2023"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1255\" class=\"elementor elementor-1255\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9691cf5 e-flex e-con-boxed e-con e-parent\" data-id=\"9691cf5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-68fe551 elementor-widget elementor-widget-heading\" data-id=\"68fe551\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">STELLA Poster AGU2023<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fecd96b e-flex e-con-boxed e-con e-parent\" data-id=\"fecd96b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a5d6022 elementor-widget elementor-widget-image\" data-id=\"a5d6022\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/\/wp-content\/uploads\/2025\/05\/STELLA_AGU2023_sm.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"STELLA_AGU2023_sm\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI1NiwidXJsIjoiaHR0cHM6XC9cL3NjaWVuY2UuZ3NmYy5uYXNhLmdvdlwvc3RlbGxhXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI1XC8wNVwvU1RFTExBX0FHVTIwMjNfc20ucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1440\" height=\"1032\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_AGU2023_sm.png\" class=\"attachment-full size-full wp-image-1256\" alt=\"STELLA poster AGU2023\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_AGU2023_sm.png 1440w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_AGU2023_sm-300x215.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_AGU2023_sm-1024x734.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_AGU2023_sm-768x550.png 768w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a041c1 elementor-widget elementor-widget-text-editor\" data-id=\"8a041c1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Abstract ID and Title:<\/strong> 1432877: STELLA: An Open-Source DIY Handheld Spectrometer<br \/><strong>Final Paper Number:<\/strong> ED31B-0907<br \/><strong>Presentation Type:<\/strong> Poster<br \/><strong>Session Number and Title:<\/strong> ED31B: Amazing Technologies and Capabilities That Contribute to STEAM I Poster<br \/><strong>Session Date and Time:<\/strong> Wednesday, December 13th; 8:30 AM &#8211; 12:50 PM\u00a0PST<br \/><strong>Location:\u202f<\/strong>MC,\u202fPoster Hall A-C &#8211; South<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a20b773 elementor-widget elementor-widget-image\" data-id=\"a20b773\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/\/wp-content\/uploads\/2023\/11\/STELLA_ASD_Landsat_Grass_avg-scaled.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"STELLA_ASD_Landsat_Grass_avg\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI2MCwidXJsIjoiaHR0cHM6XC9cL3NjaWVuY2UuZ3NmYy5uYXNhLmdvdlwvc3RlbGxhXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8xMVwvU1RFTExBX0FTRF9MYW5kc2F0X0dyYXNzX2F2Zy1zY2FsZWQucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1105\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_ASD_Landsat_Grass_avg-scaled.png\" class=\"attachment-full size-full wp-image-1260\" alt=\"STELLA, ASD and Landsat spectral readings graph\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_ASD_Landsat_Grass_avg-scaled.png 2560w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_ASD_Landsat_Grass_avg-300x129.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_ASD_Landsat_Grass_avg-1024x442.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_ASD_Landsat_Grass_avg-768x331.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_ASD_Landsat_Grass_avg-1536x663.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_ASD_Landsat_Grass_avg-2048x884.png 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8fab658 elementor-widget elementor-widget-text-editor\" data-id=\"8fab658\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>STELLA derived average of grass compared to ASD and Landsat data collected from USGS&#8217;s Spectral Library &#8211; <a href=\"https:\/\/crustal.usgs.gov\/speclab\/QueryAll07a.php\" target=\"_blank\" rel=\"noopener\">https:\/\/crustal.usgs.gov\/speclab\/QueryAll07a.php<\/a> &#8211; Lawn_Grass GDS91 green BECKa AREF<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-193a361 elementor-widget elementor-widget-image\" data-id=\"193a361\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/\/wp-content\/uploads\/2023\/11\/AvgGrass-scaled.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"AvgGrass\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI2MSwidXJsIjoiaHR0cHM6XC9cL3NjaWVuY2UuZ3NmYy5uYXNhLmdvdlwvc3RlbGxhXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8xMVwvQXZnR3Jhc3Mtc2NhbGVkLnBuZyJ9\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1131\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/AvgGrass-scaled.png\" class=\"attachment-full size-full wp-image-1261\" alt=\"\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/AvgGrass-scaled.png 2560w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/AvgGrass-300x133.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/AvgGrass-1024x452.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/AvgGrass-768x339.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/AvgGrass-1536x679.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/AvgGrass-2048x905.png 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e595429 elementor-widget elementor-widget-text-editor\" data-id=\"e595429\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>STELLA derived average of grass from averages below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be79bf3 elementor-widget elementor-widget-image\" data-id=\"be79bf3\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/\/wp-content\/uploads\/2023\/11\/STELLA_Grass_avg-scaled.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"STELLA_Grass_avg\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI2MiwidXJsIjoiaHR0cHM6XC9cL3NjaWVuY2UuZ3NmYy5uYXNhLmdvdlwvc3RlbGxhXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8xMVwvU1RFTExBX0dyYXNzX2F2Zy1zY2FsZWQucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1109\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_Grass_avg-scaled.png\" class=\"attachment-full size-full wp-image-1262\" alt=\"\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_Grass_avg-scaled.png 2560w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_Grass_avg-300x130.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_Grass_avg-1024x444.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_Grass_avg-768x333.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_Grass_avg-1536x665.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2023\/11\/STELLA_Grass_avg-2048x887.png 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-acacaf3 elementor-widget elementor-widget-text-editor\" data-id=\"acacaf3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Averages from 3 days using 11 different STELLAs across full sun days between 12 and 2pm, 19 readings with 20 measurements per reading.<\/p><p>STELLA derived average of grass. STELLAs used UID 316, 5279, 5309, 7451, 9967, 2479, 4139, 5548, 8319, 8637, 8879- ASD and Landsat data collected from USGS&#8217;s Spectral Library &#8211; https:\/\/crustal.usgs.gov\/speclab\/QueryAll07a.php &#8211; Lawn_Grass GDS91 green BECKa AREF<\/p><p><strong>Poster References:<\/strong><\/p><p>Do Hands-On, Technology-Based Activities Enhance Learning by Reinforcing Cognitive Knowledge and Retention? (Anthony R. Korwin, Ronald E. Jones), Spring 1990, JTE v1n2<br \/><a href=\"https:\/\/scholar.lib.vt.edu\/ejournals\/JTE\/v1n2\/html\/jones.html\" target=\"_blank\" rel=\"noopener\">https:\/\/scholar.lib.vt.edu\/ejournals\/JTE\/v1n2\/html\/jones.html<\/a><\/p><p>Lee, W. S. (2020). An Experimental Investigation Into the Application of a Learning-From-Mistakes Approach Among Freshmen Students. SAGE Open, 10(2). <a href=\"https:\/\/doi.org\/10.1177\/2158244020931938\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1177\/2158244020931938<\/a><\/p><p>Berman, Alexander, Garcia, Brittany, Nam, Beth, Chu, Sharon, &amp; Quek, Francis<br \/>(2016). Toward a making community of practice: The social aspects of elementary<br \/>classroom-based making. In Proceedings of the 6th annual conference<br \/>on creativity and fabrication in education (pp. 9\u201316). <a href=\"http:\/\/dx.doi.org\/10.1145\/3003397.3003399\" target=\"_blank\" rel=\"noopener\">http:\/\/dx.doi.org\/10.1145\/3003397.3003399<\/a>.<\/p><p>Gourlet, Pauline, &amp; Decortis, Fran.oise (2018). Prototyping a designerly learning<br \/>through authentic making activities in elementary classrooms. International<br \/>Journal of Child-Computer Interaction, 16, 31\u201338. <a href=\"http:\/\/dx.doi.org\/10.1016\/j.Ijcci.2017.11.002\" target=\"_blank\" rel=\"noopener\">http:\/\/dx.doi.org\/10.1016\/j.Ijcci.2017.11.002<\/a>.<\/p><p>Tuhkala, Ari, Wagner, Marie-Louise, Iversen, Ole Sejer, &amp; K.rkk.inen, Tommi<br \/>(2019). Technology comprehension\u2014Combining computing, design, and societal<br \/>reflection as a national subject. International Journal of Child-Computer<br \/>Interaction, 20, 54\u201363.<a href=\"https:\/\/doi.org\/10.1016\/j.ijcci.2019.03.004\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1016\/j.ijcci.2019.03.004<\/a>.<\/p><p>Montero, D., Aybar, C., Mahecha, M.D. et al. A standardized catalogue of spectral indices to advance the use of remote sensing in Earth system research. Sci Data 10, 197 (2023). <a href=\"https:\/\/doi.org\/10.1038\/s41597-023-02096-0\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1038\/s41597-023-02096-0<\/a><\/p><p>Compton J. Tucker, Red and photographic infrared linear combinations for monitoring vegetation, Remote Sensing of Environment, Volume 8, Issue 2, 1979, Pages 127-150, ISSN 0034-4257, <a href=\"https:\/\/doi.org\/10.1016\/0034-4257(79)90013-0\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1016\/0034-4257(79)90013-0<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>STELLA: An Open-Source DIY Handheld Spectrometer &#8211; Amazing Technologies and Capabilities That Contribute to STEAM I Poster<\/p>\n","protected":false},"author":2,"featured_media":1256,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[7,75,25],"tags":[78,61,67,77,62],"class_list":["post-1255","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-instruments","category-posters","category-stella-1-1","tag-agu","tag-education","tag-science","tag-spectroscopy","tag-stem"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - 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