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r/plasmacosmology↗

Plasma Cosmology

Plasma Cosmology is the most scientific paradigm of astronomy and astrophysics for those who refuse to substitute fairy tales for facts.

7.1k subscribers34 posts / mo in Sep 202621 authors / mosince 2011

r/plasmacosmology has 7.1k members (+21% over the last 12 months). It gets about 34 posts a month from 21 people. Top topics: Big Bang Theory, Dark Matter Mysteries and Milky Way Galaxies.

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When to post on r/plasmacosmology

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Size and growth

How r/plasmacosmology has grown

r/plasmacosmology

Subscriber growth

Subscribers over time

+21%in 12 months · +5.2% in 3 months · +3.3% in 1 month
Sep 20267.1k
Growing7.1k subscribers
Data since Mar 2018Live · through Sep 2026
r/plasmacosmology

Monthly activity

Posts, comments and authors per month

+325%vs Sep 2025 · +151% last 3 months vs the 3 before
Sep 202634
BusierPeaked at 37 in Aug 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/plasmacosmology

Top topics

Share of the subreddit's posts

  1. Big Bang Theory2.4%
  2. Dark Matter Mysteries2.1%
  3. Milky Way Galaxies1.8%
  4. Galaxy Exploration1.3%
  5. James Webb Galaxies Cluster0.9%

The full report

Everything else about r/plasmacosmology

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research