#exoplanets

Live, measured metrics for the hashtag #exoplanets 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 #exoplanets

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.

$23.52/ year · 10-character #name
Claim #exoplanets$23.52/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
33
Uses / 7 days
Mastodon
15
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.2/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 · fosstodon.org (Mastodon public tags API) · fetched 2026-09-09 00:09 UTC
7
09-03
6
09-04
4
09-05
4
09-06
6
09-07
6
09-08
0
09-09

33 uses by 15 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 2026-09-09 00:09 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-09 00:09 UTC

Everything below is measured over the latest 40 public posts (spanning ~171 hours).

Top of the latest posts

  • New potentially habitable exoplanet: - Gliese 887 d: https://en.wikipedia.org/wiki/Gliese_887#Planetary_system https://en.wikipedia.org/wiki/List_of_potentially_habitable_exoplanets #space #exoplanets #astronomy #ExtraterrestrialLife

    Potentially habitable exoplanets@[email protected]342026-09-07 12:43 UTCView post →
  • Name: HD 10697 b A giant planet composed mainly of gas. Distance from Earth: 108 light-years Year discovered: 1999 Discovered by: W. M. Keck Observatory Planet mass: 1,825 Earths Orbital period: 1075.38 day(s) https://eyes.nasa.gov/apps/exo

    Exoplanets@[email protected]002026-09-08 22:20 UTCView post →
  • Accepted in A&A, work by Mara Attia tackles a core problem in exoplanet interiors: "PALEOS: Multiphase equations of state and mass-radius relations for exoplanet interiors". 🌍 Read the paper: https://arxiv.org/abs/2605.03741 Measure an exo

    Forming Worlds Lab@[email protected]022026-09-08 18:51 UTCView post →

What “exoplanets” means

Wiktionary · Wikipedia

exoplanets

  • nounA planet which exists outside Earth's solar system.
Full entry on Wiktionary →

An exoplanet or extrasolar planet is a planet outside the Solar System. The first confirmed detection of an exoplanet was in 1992 around a pulsar, and the first detection around a main-sequence star was in 1995. A different planet, first detected in 1988, was confirmed in 2003. In 2016, it was recognized that the first possible evidence of an exoplanet had been noted in 1917, a precovery. As of 20 August 2026, there are 6,354 confirmed exoplanets in 4,756 planetary systems, with 1,060 systems ha

Exoplanet” on Wikipedia (CC BY-SA) →

#exoplanets across platforms

every network with a public tag surface

Follow #exoplanets 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/exoplanets