#retrospaceflight
Live, measured metrics for the hashtag #retrospaceflight from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #retrospaceflight
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 2026-08-01 06:41 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 2026-08-01 06:41 UTCNo related tags with measured usage found for #retrospaceflight.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-08-01 06:41 UTCEverything below is measured over the latest 9 public posts (spanning ~695 hours).
Posting hours (UTC)
Languages: English (5)
Avg boosts / post: 0.3
Top of the latest posts
Two months after the launch of Vanguard 1, the Soviet Union followed with the launch of Sputnik 3. It had a more advanced scientific mission compare to its predecessors (Sputnik 1 and 2) and was the first Soviet satellite to carry a complet
Two months after the launch of Vanguard 1, the Soviet Union followed with the launch of Sputnik 3. Like Sputnik 1, it was launched by a modified R7 Semyorka rocket, developed specifically for satellite launches. Sputnik 3 had a more advance
Explorer 1, officially known as Satellite 1958 Alpha, was the third artificial satellite to be send into orbit. With this launch the US joined the Soviet into the space age, who had in the previous year successfully launched Sputnik 1 and S
#retrospaceflight across platforms
every network with a public tag surfaceFollow #retrospaceflight 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/retrospaceflight