{"id":15434,"date":"2026-05-07T09:37:45","date_gmt":"2026-05-07T07:37:45","guid":{"rendered":"https:\/\/outilstice.com\/?p=15434"},"modified":"2026-05-07T09:37:45","modified_gmt":"2026-05-07T07:37:45","slug":"astrogrid-simulateur-systeme-solaire-en-ligne","status":"publish","type":"post","link":"https:\/\/outilstice.com\/en\/2026\/05\/astrogrid-simulateur-systeme-solaire-en-ligne\/","title":{"rendered":"AstroGrid: view space and the solar system in 3D from a browser"},"content":{"rendered":"<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Looking for something to project for your course on the solar system. Not a manual diagram, not a fixed image of NASA but a real simulator of the online solar system. Something interactive to visualise the space, which really gives the feeling of being up there and being able to<a href=\"https:\/\/outilstice.com\/2024\/10\/stellarium-le-plus-beau-des-planetariums-dans-votre-ordinateur\/\" target=\"_blank\" rel=\"noopener\"> explore the sky<\/a>. And if possible, which does not require you to install software the night before by crossing your fingers. AstroGrid answers that.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><a title=\"Astrogrid\" href=\"https:\/\/velonspace.com\/astrogrid\" target=\"_blank\" rel=\"noopener\"><strong>AstroGrid<\/strong><\/a>, it is a 3D astronomical simulator that runs directly in the browser. No application to download. No account to create. You open the address, and you are in the space. Bluffing.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-15439\" src=\"https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.27.11@2x-1024x605.jpg\" alt=\"Online Solar System Simulator\" width=\"720\" height=\"425\" srcset=\"https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.27.11@2x-1024x605.jpg 1024w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.27.11@2x-300x177.jpg 300w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.27.11@2x-768x454.jpg 768w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.27.11@2x-1536x907.jpg 1536w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.27.11@2x-18x12.jpg 18w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.27.11@2x.jpg 1920w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69fc9361aa4cb\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69fc9361aa4cb\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/outilstice.com\/en\/2026\/05\/astrogrid-simulateur-systeme-solaire-en-ligne\/#Un_simulateur_du_systeme_solaire_en_ligne_directement_dans_le_navigateur\" >A simulator of the solar system online, directly in the browser<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/outilstice.com\/en\/2026\/05\/astrogrid-simulateur-systeme-solaire-en-ligne\/#Prise_en_main_en_5_minutes_chrono\" >Get started in 5 minutes chrono<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/outilstice.com\/en\/2026\/05\/astrogrid-simulateur-systeme-solaire-en-ligne\/#Comment_utiliser_AstroGrid_avec_ses_eleves\" >How to use AstroGrid with your students<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/outilstice.com\/en\/2026\/05\/astrogrid-simulateur-systeme-solaire-en-ligne\/#Ce_que_jaime_dans_AstroGrid\" >What I like about AstroGrid<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/outilstice.com\/en\/2026\/05\/astrogrid-simulateur-systeme-solaire-en-ligne\/#Ce_que_jaime_moins\" >What I like less<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/outilstice.com\/en\/2026\/05\/astrogrid-simulateur-systeme-solaire-en-ligne\/#Un_outil_simple_pour_rendre_lespace_plus_concret\" >A simple tool to make space more concrete<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Un_simulateur_du_systeme_solaire_en_ligne_directement_dans_le_navigateur\"><\/span>A simulator of the solar system online, directly in the browser<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">What do you see when you open AstroGrid? Space. In 3D. With the planets in their current position, the ability to zoom from Earth level to the edges of the Milky Way, and a search engine to find a specific object, a planet, a star, a cluster.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">What struck me at the outset: depth. You do not look at an image that simulates space, you move in it. Distances give vertigo in the right direction, one that makes students understand why light takes 8 minutes from the Sun.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The most useful feature in class is time acceleration. In seconds, you unfold years of orbits. The seasons, the relative positions of the planets, the movements of the Milky Way, it is this type of visualization that no manual can really reproduce. On the big screen it is bluffing. It almost feels like<a href=\"https:\/\/outilstice.com\/2022\/07\/ecouter-les-sons-de-la-planete\/\" target=\"_blank\" rel=\"noopener\">hear the sounds of space<\/a>.<\/p>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"><span class=\"ez-toc-section\" id=\"Prise_en_main_en_5_minutes_chrono\"><\/span>Get started in 5 minutes chrono<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">No tutorial, no registration. The interface is understandable on its own, but here are the essential steps to avoid groping.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Getting around<\/strong> : dial to zoom, click and drag to rotate the view. On the keyboard, keys 1 to 8 allow you to jump directly from Mercury to Neptune, practical in class not to search manually.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Click on a planet<\/strong> : a simple click selects it. A double-click sends the camera directly to it, with smooth animation. This is the most useful gesture in progress. You double-click Jupiter, you're there in two seconds.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Accelerate time<\/strong> : Two keys are enough to slow down or accelerate the time scrolling. In real seconds, you run months of orbits. This is where the tool takes on its full pedagogical meaning.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Change scale.<\/strong> Unzoom enough and exit the solar system, then the Milky Way, to the Laniakea supercluster and the confines of the observable universe. The transition is gradual and silent. Do it slowly in class once, without commenting. Effect on students guaranteed.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>If you get lost<\/strong> : A key instantly returns to the solar system, seen from above, Sun in the center. Consider testing it before projecting the tool.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-15440\" src=\"https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.30.28@2x-1024x601.jpg\" alt=\"Space Simulator\" width=\"720\" height=\"423\" srcset=\"https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.30.28@2x-1024x601.jpg 1024w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.30.28@2x-300x176.jpg 300w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.30.28@2x-768x450.jpg 768w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.30.28@2x-1536x901.jpg 1536w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.30.28@2x-18x12.jpg 18w, https:\/\/outilstice.com\/wp-content\/uploads\/2026\/05\/CleanShot-2026-05-07-at-09.30.28@2x.jpg 1920w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Comment_utiliser_AstroGrid_avec_ses_eleves\"><\/span>How to use AstroGrid with your students<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The most obvious case: an SVT or Physics course on <a href=\"https:\/\/outilstice.com\/2024\/10\/si-la-lune-faisait-juste-un-pixel-decouvrir-le-systeme-solaire-a-lechelle\/\" target=\"_blank\" rel=\"noopener\">the Solar System<\/a>. Rather than a static diagram, you show the orbits in motion, you look for Jupiter, you accelerate time. It takes 3 minutes to set up and it changes the nature of the explanation.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">But this is not just for science. In geography, zooming in from space on Earth before talking about time zones or seasons works very well as a hook. In history, finding the constellations that the Greeks or Arab navigators named can open a discussion that a text would not have triggered.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">And sometimes the simplest is enough: you open it at the beginning of the session, you let the students watch 30 seconds, you ask a question. The rest comes.<\/p>\n<h2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"><span class=\"ez-toc-section\" id=\"Ce_que_jaime_dans_AstroGrid\"><\/span>What I like about AstroGrid<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">No account to create. No installation. The interface is in the browser, students can open it on their own device if you wish. This is rare and valuable, especially when there is little time to prepare a session.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The gratuity seems total. No blocked features, no \"switch to Pro\" banner. To be checked in time, but for now, nothing to pay.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Navigation is intuitive. No need to explain the interface to your students for 10 minutes. Mouse, scroll, \u2026 search for a basic use it can be understood alone.<\/p>\n<h2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"><span class=\"ez-toc-section\" id=\"Ce_que_jaime_moins\"><\/span>What I like less<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The interface is fully in English. Buttons, object names, menus. This is not blocking, but it is to be anticipated.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">While the basic functions are intuitive, the platform hides powerful and complex options and functions that are much less intuitive. There is a very comprehensive guide very useful for these advanced functions but it is also in English.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Finally, AstroGrid is based on WebGL. On older equipment or entry-level Chromebooks, slowdowns are likely. Test before, not during an important class.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Un_outil_simple_pour_rendre_lespace_plus_concret\"><\/span>A simple tool to make space more concrete<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>AstroGrid will not replace an astronomy course. On the other hand, it makes it possible to show simply what the diagrams often fail to make clear: distances, movements and actual scale of the solar system. A particularly effective tool for capturing attention at the beginning of the session or illustrating a phenomenon that is difficult to represent on paper.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Not totally necessary. But frankly, to test.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">\ud83d\udc49 <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/velonspace.com\/welcome\" target=\"_blank\" rel=\"noopener\">velonspace.com\/welcome<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Looking for something to project for your course on the solar system. Not a manual diagram, not a fixed image of NASA but a real simulator of the online solar system.<\/p>","protected":false},"author":1,"featured_media":15439,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[9144,23],"tags":[9185],"class_list":["post-15434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications","category-sciences","tag-multimedia"],"modified_by":"Fidel Navamuel","_links":{"self":[{"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/posts\/15434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/comments?post=15434"}],"version-history":[{"count":3,"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/posts\/15434\/revisions"}],"predecessor-version":[{"id":15441,"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/posts\/15434\/revisions\/15441"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/media\/15439"}],"wp:attachment":[{"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/media?parent=15434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/categories?post=15434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/outilstice.com\/en\/wp-json\/wp\/v2\/tags?post=15434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}