#whiteholes
Live, measured metrics for the hashtag #whiteholes from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #whiteholes
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 2026-09-25 18:44 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-25 18:44 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-25 18:44 UTCEverything below is measured over the latest 20 public posts (spanning ~29102 hours).
Posting hours (UTC) — busiest: 18:00
Languages: English (16) · Slovak (1) · German (1) · Italian (1) · American English (1)
Avg boosts / post: 0.8
Top of the latest posts
Types of "Holes" in the Cosmos Not all cosmic "holes" are the same — and they’re not just empty space. #blackholes #whiteholes #wormholes #universe #cosmos #astronomy #spacefacts #physics
#TheTelegraph: What are #BlackHoles, #WhiteHoles & #WormHoles? | #Space explained. 4-min. 🔗 https://www.youtube.com/watch?v=dGUBBE4nTLE 2016 Apr 12 #Wikipedia: #Wormhole ❛❛ #physicists later reported that #microscopic traversable #wormhole
#WhatsDougsReading : today Douglas is boldly going into the Final Frontier as we have two, new signed #science titles; White Holes by Carlo Rovelli (Allen Lane Books) & Space - the Human History by Tim Peake (published Century Books) #books
What “whiteholes” means
WikipediaIn general relativity, a white hole is a hypothetical region of spacetime and singularity that cannot be entered from the outside, although energy, matter, light and information can escape from it. In this sense, it is the opposite of a black hole, from which energy, matter, light and information cannot escape. White holes appear in the theory of eternal black holes. In addition to a black hole region in the future, such a solution of the Einstein field equations has a white hole region in its p
“White hole” on Wikipedia (CC BY-SA) →#whiteholes across platforms
every network with a public tag surfaceFollow #whiteholes 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/whiteholes