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Astrum
CHANNEL INTELLIGENCE

Astrum YouTube channel analysis

@astrumspace 12.8y old United Kingdom

Astrum is a YouTube channel with 2.8M subscribers and 588.1M total views. This analysis breaks down its outlier videos, content strategy, similar channels, growth.

Analysis generated with AI from public YouTube data. Revenue and valuation figures are estimates derived from public data, not financial advice.

01

Astrum Channel Overview

lifetime totals
Subscribers2.8M
Total views588.1M
Videos476
Avg views / video1.2M
Views / day · life126.3K
Views / subscriber208
Share of views by format
Long-form 95%Shorts 5%
02

Astrum Outlier Videos

breakouts ≥1.5× recent median
03 The Most Bizarre Exoplanets We've Ever Found
2.4M2.5×Analyze
05 3I/ATLAS Just Got Stranger
3I/ATLAS Just Got Stranger
274d ago·0.78× reach
2.2M2.3×Analyze
07 We Finally Found Out Why Charon Is Broken
2.1M2.2×Analyze
08 Is This the Largest Star In the Universe?
2.0M2.1×Analyze
11 What NASA Found Below Jupiter's Clouds
1.8M1.9×Analyze
12 Have We Really Found Life on Mars?
1.7M1.8×Analyze
03

Astrum Top Videos

biggest ever

Astrum is a highly lucrative, premium space-science channel that leverages dramatic, curiosity-driven hooks to turn complex astrophysics and planetary discoveries into massive viral hits, maintaining an exceptional 965,000 median view count.

04

Astrum Niche & Positioning

Space & Astronomy Documentary

High-production, narrative-driven deep dives into cosmic anomalies, planetary mysteries, and cutting-edge space telescope discoveries.

05

Astrum Content Strategy

Evergreen 85%Trendjacking 15%Other 0%

Deeply researched, timeless cosmic mysteries framed with urgent, curiosity-inducing hooks, occasionally supplemented by breaking space agency discoveries.

06

Astrum Performance Drivers

01
Anomalous Interstellar Objects — Mysterious, rogue cosmic bodies like 'Oumuamua and the 3I/ATLAS comet spark intense curiosity regarding alien technology or unprecedented physics.
02
James Webb & Hubble Discoveries — Leveraging high-profile, real-world telescope data with titles suggesting scientists are 'confused' or found things that 'shouldn't exist' drives massive click-through rates.
03
Planetary Core & Surface Secrets — Revealing hidden, dramatic physical realities beneath the clouds or crusts of familiar planets like Jupiter, Saturn, and Pluto.
04
Cosmic Scale Extremes — Videos focusing on the absolute largest stars, most powerful objects, or most terrifying black holes exploit the human fascination with extreme scale.
07

Astrum Topic Clusters

Interstellar Visitors & Comets (3I/ATLAS, 'Oumuamua)6Planetary Anomalies & Moons (Pluto, Saturn, Jupiter, Venus)24Space Telescopes & Deep Space Imagery (JWST, Hubble, Euclid)12Astrophysics Extremes (Black Holes, Supernovas, Giant Stars)15Earth History & Climate Anomalies (Ice Ages, Rain Events, La Niña)6Space Exploration Missions & Agency Politics (NASA, SpaceX, JAXA, China)18
08

Astrum Growth Opportunities

untapped whitespace
  • Develop a recurring 'Cosmic Scale' comparison sub-series utilizing high-end 3D animations to visualize the size of black holes, stars, and galaxies.
  • Introduce deep-dive profiles on historical space anomalies and lost Soviet/Cold War space missions, capitalizing on the high performance of historical space drama.
  • Create dedicated, multi-part mini-series tracking active missions in real-time (e.g., Europa Clipper or Artemis updates) to build episodic viewer retention.
09

How Replicable Is Astrum

ReplicabilityMedium

While the script structures and clickbait-style curiosity framing are highly systematic, replicating this channel requires exceptional scriptwriting talent, high-quality voiceover work, and advanced motion graphics to maintain retention over 25-minute runtimes.

10

Astrum Content Risks

  • High reliance on sensationalized, curiosity-gap titles which can lead to audience fatigue if the video delivery does not match the extreme promise of the hook.
  • Heavy dependence on public-domain space agency footage (NASA, ESA), leaving the channel vulnerable to visual repetition if multiple channels cover the same discoveries.
  • High production cost and long turnaround times per video due to the average 25-minute runtime and the need for complex visual explanations.
11

Channels Similar to Astrum

channels with similar audiencesCompetitor Studio →

The audience is highly clustered around deep-space exploration, astrophysics, and Earth mysteries, though they occasionally drift into general engineering, history, and current events.

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Frequently asked questions about Astrum

How many subscribers does Astrum have?
Astrum has 2.8M subscribers on YouTube, built up over roughly 12.8 years on the platform. Its videos average about 1.2M views each.
How many views does Astrum have?
Astrum has accumulated 588.1M total views across 476 uploads, averaging roughly 126.3K views per day since launch.
How many videos has Astrum posted?
Astrum has published 476 videos on YouTube, with recent uploads averaging about 25:16 in length.
How engaged is Astrum's audience?
Over its lifetime, Astrum has averaged about 208 views for every subscriber, a sign of how far its videos travel beyond the core subscriber base. On a per-video basis it draws roughly 1.2M views.
What is Astrum's most popular video?
Astrum's most-viewed video is "The Final Images We Will Ever See of Pluto and Arrokoth", with 18.0M views — roughly 18.7× the channel's typical video.
What is Astrum's biggest recent breakout video?
Astrum's biggest recent breakout is "Everything We Know About 3I/ATLAS, the New ‘Oumuamua", which pulled 3.0M views — about 3.1× the channel's recent median.
What kind of content does Astrum make?
Astrum is best described as Space & Astronomy Documentary. High-production, narrative-driven deep dives into cosmic anomalies, planetary mysteries, and cutting-edge space telescope discoveries.
Does Astrum post Shorts or long-form videos?
Astrum publishes primarily long-form videos (about 100% of recent uploads), averaging around 25:16 in length.
What topics does Astrum cover?
Astrum's catalogue spans Interstellar Visitors & Comets (3I/ATLAS, 'Oumuamua), Planetary Anomalies & Moons (Pluto, Saturn, Jupiter, Venus), Space Telescopes & Deep Space Imagery (JWST, Hubble, Euclid), Astrophysics Extremes (Black Holes, Supernovas, Giant Stars), Earth History & Climate Anomalies (Ice Ages, Rain Events, La Niña) and Space Exploration Missions & Agency Politics (NASA, SpaceX, JAXA, China). These recurring themes make up the bulk of the channel's uploads.
What channels are similar to Astrum?
Channels with audiences similar to Astrum include The Space Race, SEA, History of the Universe, Astral Curiosity and Event Horizon. The audience is highly clustered around deep-space exploration, astrophysics, and Earth mysteries, though they occasionally drift into general engineering, history, and current events.
How often does Astrum post?
Astrum uploads about 2.3 videos per week (roughly 9.9 per month).
Is Astrum still active on YouTube?
Yes — Astrum is actively posting. Its most recent upload was 3 days ago.
How long has Astrum been on YouTube?
Astrum has been active on YouTube for about 12.8 years, growing to 2.8M subscribers over that time.
How this analysis was made
  • Source: public YouTube channel & video data (120 recent videos sampled).
  • Outlier videos: uploads with ≥1.5× the channel's recent median views.
  • Last updated: 7/11/2026.
Published 7/11/2026 · analysis by OutlierKit