#umbriel
Live, measured metrics for the hashtag #umbriel from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #umbriel
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 2026-10-18 21:25 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 2026-10-18 21:25 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-18 21:25 UTCEverything below is measured over the latest 32 public posts (spanning ~30717 hours).
Posting hours (UTC) — busiest: 07:00
Languages: English (22) · German (5) · Spanish (4) · Dutch (1)
Avg boosts / post: 0.8
Top of the latest posts
Which of the large Uranian satellites is the least interesting? Umbriel? Chances are that's just because our images of it are lower resolution. Admittedly in Voyager images it doesn't look very exciting. There is that oddly bright crater fl
Here is the (simplified) approach to making a map of Umbriel. We have the orientation of the moon in each image and preliminary maps made before I started this work. For each image I overlaid a grid, as in these two examples. The other thin
Next, using GIS I warped the image to fit the target grid, using every grid intersection as a tie point. The image with grid overlay is warped so the grid now matches the target grid. Then repeat that process using the same tie points on th
What “umbriel” means
WikipediaUmbriel is the third-largest moon of Uranus. It was discovered on October 24, 1851, by William Lassell at the same time as neighboring moon Ariel. It was named after a character in Alexander Pope's 1712 poem The Rape of the Lock. Umbriel consists mainly of ice with a substantial fraction of rock, and may be differentiated into a rocky core and an icy mantle. The surface is the darkest among Uranian moons and appears to have been shaped primarily by impacts, however, the presence of canyons sugge
“Umbriel” on Wikipedia (CC BY-SA) →#umbriel across platforms
every network with a public tag surfaceFollow #umbriel 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/umbriel