#UniverseToday
Live, measured metrics for the hashtag #UniverseToday from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #universetoday
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 2026-10-16 03:40 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.online (Mastodon public search API) · fetched 2026-10-16 03:40 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-16 03:40 UTCEverything below is measured over the latest 40 public posts (spanning ~11897 hours).
Posting hours (UTC) — busiest: 01:00
Languages: English (25) · German (5)
Avg boosts / post: 1.9
Top of the latest posts
#UniverseToday: "How Satellites Are Silencing the Universe" ".. world's biggest survey of low frequency satellite radio emissions, analyzing 76 million images of the sky using equipment designed for the Square Kilometre Array .. found was t
Starship drops off satellites during its first orbital flight SpaceX sent its Starship super-rocket on its first orbital flight — a shorter-than-planned test mission that put operational Starlink satellites into orbit for the first time. Th
Roman rises! Get to know NASA’s newest space telescope NASA's newest eye on the sky, the Nancy Grace Roman Space Telescope, has begun its journey to unravel the secrets of dark matter, dark energy and Earthlike planets — months ahead of sch
#universetoday across platforms
every network with a public tag surfaceFollow #universetoday 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/universetoday