ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">commons.wikimedia.org/wiki/Fil</span><span class=\"invisible\">e:LAMOST_telescope_org.jpg</span></a></p>", "contentMap": { "fr": "<p>Une présentation captivante d&#39;instruments astronomiques contemporains : 13 observatoires terrestres, 5 sondes et 9 télescopes spatiaux<br /><a href=\"https://cltr.blogspot.com/2025/06/instruments-astronomiques-contemporains.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">cltr.blogspot.com/2025/06/inst</span><span class=\"invisible\">ruments-astronomiques-contemporains.html</span></a><br /><a href=\"https://jasette.facil.services/tags/astronomie\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomie</span></a> <a href=\"https://jasette.facil.services/tags/astrophysique\" class=\"mention hashtag\" rel=\"tag\">#<span>astrophysique</span></a> <a href=\"https://jasette.facil.services/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://jasette.facil.services/tags/instruments\" class=\"mention hashtag\" rel=\"tag\">#<span>instruments</span></a> <a href=\"https://jasette.facil.services/tags/Univers\" class=\"mention hashtag\" rel=\"tag\">#<span>Univers</span></a> <a href=\"https://jasette.facil.services/tags/cosmos\" class=\"mention hashtag\" rel=\"tag\">#<span>cosmos</span></a> <a href=\"https://jasette.facil.services/tags/sondes\" class=\"mention hashtag\" rel=\"tag\">#<span>sondes</span></a> <a href=\"https://jasette.facil.services/tags/t%C3%A9lescopes\" class=\"mention hashtag\" rel=\"tag\">#<span>télescopes</span></a> <a href=\"https://jasette.facil.services/tags/recherche\" class=\"mention hashtag\" rel=\"tag\">#<span>recherche</span></a> <a href=\"https://jasette.facil.services/tags/satellite\" class=\"mention hashtag\" 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