#planetology

Live, measured metrics for the hashtag #planetology from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #planetology

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.

$10.85/ year · 11-character #name
Claim #planetology — $10.85/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.1
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-15 21:56 UTC
0
10-09
0
10-10
0
10-11
0
10-12
0
10-13
0
10-14
0
10-15

0 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 2026-10-15 21:56 UTC

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-15 21:56 UTC

Everything below is measured over the latest 40 public posts (spanning ~27626 hours).

Posting hours (UTC) — busiest: 12:00

00:0012:0023:00

Languages: English (23) · French (16) · German (1)

Avg boosts / post: 2.8

Top of the latest posts

  • [#Juno and Jupiter's Galilean moons] In the early 2000s, #Hubble identified ultraviolet auroral signatures of three of Jupiter's four Galilean moons: Io, Europa, and Ganymede. Due to its low intensity, Callisto's signature remained elusive.

    IRAP@[email protected]♥ 2↻ 02025-09-08 11:10 UTCView post →
  • @venya I'd have to check the novelization just to be sure, but I'm fairly confident that we don't know what actual Endor is like as a planet. It barely shows up on screen. The action in Return Of The Jedi is set on a small 'forest moon' tha

    JdeBP@[email protected]♥ 1↻ 12026-08-18 19:41 UTCView post →
  • Katabatic winds? Twin suns? Even georeactors. All familiar ingredients, but combine them in one planet, and you have one truly alien world... Read more at my #blog: https://www.adamasnemesis.com/2026/08/06/of-georeactors-katabatics-twin-sun

    Adamas Nemesis@[email protected]♥ 0↻ 12026-08-06 20:31 UTCView post →

What “planetology” means

Wiktionary · Wikipedia

planetology

  • nounThe study of planets, planetary systems and the solar system.
Full entry on Wiktionary →

Planetary science is the scientific study of celestial bodies and planetary systems and the processes of their formation. It studies objects ranging in sizes from micrometeoroids to huge gas giants, with the aim of determining their composition, dynamics, formation, interrelations and history.

“Planetary science” on Wikipedia (CC BY-SA) →

#planetology across platforms

every network with a public tag surface

Follow #planetology 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/planetology