#planetariums
Live, measured metrics for the hashtag #planetariums from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #planetariums
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.social (Mastodon public tags API) · fetched 2026-09-26 11:58 UTCNo measured public usage for #planetariums in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-26 11:58 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-26 11:58 UTCEverything below is measured over the latest 16 public posts (spanning ~27670 hours).
Posting hours (UTC) — busiest: 11:00
Languages: English (12) · American English (3) · German (1)
Avg boosts / post: 0.4
Top of the latest posts
Na so eine Überraschung! Mit diesem Artikel - 4/5 der ersten Seite der Wochenend-Beilage der heutigen #WAZ - hatte auch die Leitung des #Bochumer #Planetariums überhaupt nicht gerechnet: auch auf https://www.waz.de/kultur/article408179140/b
On 📆 June 23 the @VRubinObs #observatory will unveil a first look at ultrahigh-definition images and videos of the cosmos taken 🔭 from a mountaintop in #Chile. And you can participate by joining a public livestream (in English and Spanish
A Brief History of the World’s First Planetarium. By Allison Marsh - IEEE Spectrum https://spectrum.ieee.org/planetarium-history #Astronomy #Planetariums
What “planetariums” means
WikipediaA 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) →#planetariums across platforms
every network with a public tag surfaceFollow #planetariums 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/planetariums