#hem
Live, measured metrics for the hashtag #hem from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #hem
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 18:55 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 2026-07-28 18:55 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 18:55 UTCEverything below is measured over the latest 40 public posts (spanning ~22558 hours).
Posting hours (UTC) — busiest: 06:00
Languages: English (19) · French (11) · Dutch (9) · German (1)
Avg boosts / post: 0.4
Top of the latest posts
This map shows the distribution of 60 sites considered by HEM-SAG. Site 1 is Jezero crater, site 3 is Meridiani, site 4 is Gusev, site 7 is Gale. Other sites are globally distributed. Some sites were considered in detail and we will look at
I have to correct myself - the Mangala Valles sites was in the youngest period of Mars history, the Amazonian. I have edited yesterday's post but wanted to point it out here. The middle period of Mars history, the Hesperian, was studied at
The Jezero site sampled the oldest terrain on Mars, Noachian rocks on the rim of the Isidis impact basin. Today we look at a plan for the HEM-SAG site in Mangala Valles, from the younger (Amazonian) part of the history of Mars. The landing
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/hem