#hertzsprung
Live, measured metrics for the hashtag #hertzsprung from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #hertzsprung
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 2026-08-29 23:05 UTC0 uses by 0 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 2026-08-29 23:05 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-08-29 23:05 UTCEverything below is measured over the latest 3 public posts (spanning ~112 hours).
Posting hours (UTC)
Languages: English (2) · French (1)
Avg boosts / post: 5
Top of the latest posts
Taking a Peek at Earth from the Far Side of the Moon 🌎🌑🧑🚀 #Artemis #ArtemisII #Earth #Earthset #Hertzsprung #Keelercrater #Lunar #LunarCrescent ⏩ 8 new pictures from NASA (Image Library) https://commons.wikimedia.org/wiki/Special:ListF
#Earth sets on April 6, 2026, over the #Moon’s curved limb in this photo captured by the #Artemis II crew during their journey around the far side of the Moon. #Orientale basin is perched on the edge of the visible lunar surface. #Hertzspru
A screenshot of the application the Artemis II crew sees on their PCDs that guides them in the execution of the lunar science observation plan 30 targets are designated. You can see targets 11, 12, 13: Glushko crater, Orientale and Hertzspr
What “hertzsprung” means
WikipediaEjnar Hertzsprung was a Danish chemist and astronomer. He is best remembered for his role in developing the Hertzsprung–Russell diagram of stars.
“Ejnar Hertzsprung” on Wikipedia (CC BY-SA) →#hertzsprung across platforms
every network with a public tag surfaceFollow #hertzsprung 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/hertzsprung