#Planetarium
Live, measured metrics for the hashtag #Planetarium from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #planetarium
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-18 13:01 UTC5 uses by 5 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-10-18 13:01 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-18 13:01 UTCEverything below is measured over the latest 40 public posts (spanning ~2423 hours).
Posting hours (UTC) — busiest: 11:00
Languages: German (21) · English (15) · Lithuanian (1) · French (1) · Dutch (1)
Avg boosts / post: 2.3
Top of the latest posts
Hey, are you going to #emfcamp ? Are you interested in making custom content for the #Planetarium ? If so, let me know... I can help you with the content requirements, and help you with formats, and also schedule time for your content. The
Come join us on August 12th in celebrating a partial solar eclipse and the Perseids meteor shower! Experience shows in a mobile planetarium, hands-on experiments, lectures – and, of course, sky observations. https://www.mps.mpg.de/lange-nac
« On » m'a demandé un #planetarium . Ça ne se voit pas bien, mais il y a un compteur d'années (le bidule qui dépasse à gauche) et un calendrier (sur le fond du boîtier). Je n'ai fait que la fabrication, le modèle vient de https://www.printa
What “planetarium” means
Wiktionary · Wikipediaplanetarium/plænɪˈtɛːɹɪəm/
- nounA display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
A planetarium is a theatre built primarily for presenting educational and entertaining shows about astronomy and the night sky, or for training in celestial navigation.
“Planetarium” on Wikipedia (CC BY-SA) →#planetarium across platforms
every network with a public tag surfaceFollow #planetarium straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/planetarium