Astrum Extra YouTube channel stats and outlier videos
If you love our content at Astrum, you’re in the right place! We make tons of extra stuff that might not fit our main channel, but it fits perfectly here. Want to fall asleep to our content? Check out our Astrum Sleep Space podcast playlist - complete with relaxing visuals and ambient music to help
| Subscribers | 329K |
|---|---|
| Total views | 87M |
| Videos | 202 |
| Average views per video (est.) | 462K |
| Country | GB |
| Language | EN (est.) |
| Created | 2016-01-18 |
Niches: Space & Science.
Best outlier videos
Uploads that beat this channel's own median views, strongest first.
| Video | Outlier | Views | Published |
|---|---|---|---|
| What NASA Saw At the Edge of... Everything | 12× | 5.8M | 2025-06-06 |
| The Milky Way Is Currently Colliding With Something MASSIVE | 4.9× | 480K | 2025-05-16 |
| What They Didn't Teach You in School About the Gas Giant Planets | 4.8× | 2.3M | 2025-03-29 |
| How Did We Misunderstand Galaxies For So Long? | 3.6× | 1.7M | 2025-07-10 |
| Perseverance Made the Biggest Ever Discovery on Mars | 3.5× | 1.6M | 2026-09-13 |
| What They Didn't Teach You in School About the Tellurian Planets | 3.1× | 1.5M | 2025-07-04 |
| We Keep Receiving Mysterious Signals From Deep Space | 3× | 1.4M | 2026-01-15 |
| Neutron Stars Are Weirder Than We Ever Imagined | 2.8× | 1.3M | 2025-08-28 |
| Are We Close to Finding Alien Life on Saturn's Moon Enceladus? | 2.5× | 909K | 2026-09-27 |
| I Was Shocked When I Found Out Where the Center of the Universe Is | 2.3× | 827K | 2025-05-01 |
Latest uploads
| Video | Outlier | Views | Published |
|---|---|---|---|
| The Most Terrifying Things We Detected In Space | 0.7× | 330K | 2026-10-25 |
| We Proved Hawking Radiation From Right Here On Earth | 0.3× | 163K | 2026-10-18 |
| You've Never Seen the Gas Giants Like This | 1.2× | 559K | 2026-10-11 |
| These Exoplanet Discoveries Could Change Everything | 1.1× | 519K | 2026-10-04 |
| Are We Close to Finding Alien Life on Saturn's Moon Enceladus? | 2.5× | 909K | 2026-09-27 |
| Everything You Didn't Know About Earth's Mysterious Force Fields | 0.6× | 286K | 2026-09-20 |
| Perseverance Made the Biggest Ever Discovery on Mars | 3.5× | 1.6M | 2026-09-13 |
| What We Detected in the Strangest Quantum Experiments on Earth | 1.3× | 597K | 2026-09-06 |
| We’ve Seen a New Part of the Universe | 1.6× | 716K | 2026-08-30 |
| How Close Are We to Colonising the Moon? | 1.1× | 503K | 2026-08-23 |
Similar channels
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- PBS Infinite Series (318K subscribers)
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- Dev (310K subscribers)
- Sleepy Science Channel (358K subscribers)
Repeatable pattern
No title shape stands out across the last 100 uploads of Astrum Extra, so results here rest more on the topic of each video.
Content map
What the last 100 indexed uploads look like, by length.
| Format | Uploads | Median views | Median outlier |
|---|---|---|---|
| 20 to 60 minutes | 51 | 164K | 0.6× |
| Over 60 minutes | 49 | 503K | 1.1× |
Levers to test
- Over 60 minutes did best here, at 1.1× against 0.6× for 20 to 60 minutes. Start with that format.
- The channel posted about 4.2 uploads a month over its last 30 uploads. Plan a pace you can hold for the same stretch.
These come from the channel's public numbers. They show what went with better results, not what caused them.
Frequently asked questions
How many subscribers does Astrum Extra have?
Astrum Extra has about 329K subscribers, from the public count YouTube shows.
How often does Astrum Extra upload?
About 4.2 uploads a month, going by the last 30 indexed uploads.
What is the best recent video from Astrum Extra?
"What NASA Saw At the Edge of... Everything" reached 12× the channel's usual views, the strongest of the uploads we hold.
Can I see the age, gender or income of the Astrum Extra audience?
No. YouTube keeps audience details private to the channel owner in YouTube Studio, and the public API does not share them. TubeMind does not guess them.
Public statistics from the official YouTube Data API; averages and multipliers are TubeMind estimates, see how scores work. Open Astrum Extra on YouTube.