#astrolabe
Live, measured metrics for the hashtag #astrolabe from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #astrolabe
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 · fosstodon.org (Mastodon public tags API) · fetched 2026-09-27 18:15 UTC3 uses by 3 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-27 18:15 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-27 18:15 UTCEverything below is measured over the latest 40 public posts (spanning ~13509 hours).
Posting hours (UTC) — busiest: 20:00
Languages: English (23) · French (5) · Spanish (1)
Avg boosts / post: 2.2
Top of the latest posts
Another unknown birthday: Amongst the earliest recorded woman in #mathematics, Hypatia lived during the 3rd century AD in Alexandria, Egypt, which was part of the Roman Empire. She was born at some time between about 350 and 370 and died in
A Very Cool Thing: This #astrolabe is from Seville, made in 1224 AD (Oxford, HSM inv. 50934). On the "throne", at the top of the instrument (usually in astrolabes from the Islamic world), note the #geometry diagram: it shows the method for
Rare scientific instrument in National Museums Scotland's collection marks its 1000th anniversary. The object is an #astrolabe, an intricate brass instrument made in 11th century Spain, which was used for charting the position of the stars.
What “astrolabe” means
Wiktionary · Wikipediaastrolabe/ˈæs.tɹəˌleɪb/
- nounAn astronomical and navigational instrument for gauging the altitude of the Sun and stars.
An astrolabe is an astronomical instrument dating to ancient times. It serves as a star chart and physical model of the visible half-dome of the sky. Its various functions also make it an elaborate inclinometer and an analog calculation device capable of working out several kinds of problems in astronomy. In its simplest form it is a metal disc with a pattern of wires, cutouts, and perforations that allows a user to calculate astronomical positions precisely. It is able to measure the altitude a
“Astrolabe” on Wikipedia (CC BY-SA) →#astrolabe across platforms
every network with a public tag surfaceFollow #astrolabe 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/astrolabe