#Mars2021
Live, measured metrics for the hashtag #Mars2021 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #mars2021
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 2026-10-03 20:26 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 2026-10-03 20:26 UTCNo related tags with measured usage found for #mars2021.
Live pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-03 20:26 UTCEverything below is measured over the latest 11 public posts (spanning ~2072 hours).
Posting hours (UTC)
Languages: English (7) · French (2) · German (1) · Greek (1)
Avg boosts / post: 0.7
Top of the latest posts
ps does Book Reviews: Isaac Asimov's Science Fiction Magazine Winter 1977 https://youtu.be/kngJsVp3I8s #bookreviews #scifi #asimov #sciencefiction #mars2021 #startrek #StarWars
Rhizomes d’Helianthus tuberosus offert par Mme Zinzin, on essayera de reconnaître son cultivar plus tard . Et bientôt des topinanbours plein les jardins. Merci Mme Zinzin . #eureetloir #topinanbour #legume #Permaculture #ecoculture #potager
RT @[email protected] Make your own Perseverance Parachute secret message! A few new tweaks live now https://sjwarner.github.io/perseverance-parachute-generator/ #msg2mars #mars2021 #CountdownToMars via @[email protected]
What “mars2021” means
Wiktionary · WikipediaMars is the fourth planet from the Sun. It is also known as the "Red Planet", for its orange-red appearance. Mars is a desert-like rocky planet with a tenuous atmosphere that is primarily carbon dioxide. At the average surface level the atmospheric pressure is a few thousandths of Earth's, atmospheric temperature ranges from −153 to 20 °C, and cosmic radiation is high. Mars retains some water, in the ground as well as thinly in the atmosphere, forming cirrus clouds, fog, frost, larger polar regi
“Mars” on Wikipedia (CC BY-SA) →#mars2021 across platforms
every network with a public tag surfaceFollow #mars2021 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/mars2021