Astrum✓ Add us as a preferred source on Google
🔄 Data last refreshed 4 days ago
🤝
Make a deal with Astrum
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Subscribers
2.9M
Total Views
619.6M
Videos
494
Channel age
12 yrs
2.9M total audience across 2 platforms
YouTube · 2.9M
TikTok · 9.2K
Known for
▶️ Featured Video
3.1M views
📈 Growth momentum
Holding steadySubscribers · last 30 days
+10K +0.35%
A steady, established audience.
Last 7 days
+0
The most recent week — the freshest read on where subscriber growth is heading.
🎯 Reach quality
Subscriber activation · Exceptional
33%
Share of subscribers who watch a typical recent video (avg views ÷ subscribers) — the real reach behind the subscriber count, and a quick check on whether those subscribers are still active rather than a vanity number.
Recent vs all-time
-24%
Recent videos average 949.4K vs an all-time 1.3M/video — recent uploads run below the all-time norm — much of the lifetime views sit in an older catalogue.
Reach consistency · Consistent
72/100
How steady views are across recent videos (typically 624.5K–1.3M) — a predictable floor a sponsored video can count on.
📈 Performance
Typical video
624.5K–1.3M views
Median 954.2K — the reliable floor a brand can expect, not just the headline average.
Upload rhythm
1.3× / week
Most active on Wednesdays — consistent output keeps an engaged, sponsor-ready audience.
949.4K
Avg views / video
18.3K
Avg likes
1.3K
Avg comments
1.3
Uploads / week
1.3M
Lifetime avg / video
215
Views / subscriber
0%
Shorts (recent views)
28m 51s
Typical video length
🗓️ Posting schedule
M
T
W
T
F
S
S
Most uploads land on Wednesdays · about 1.3 / week — time a launch or drop to ride the channel's own rhythm.
💡 Facts
🗓️Joined YouTube in 2013 — 12 years ago.
🏆Ranked #2,300 among all influencers on SocialDB.
🎯Top Knowledge influencer — #72 in the niche.
👁️Averages 949.4K views per video.
📤Posts about 1.3× per week.
🏅Earned the Gold Play Button for passing 1M subscribers.
📍Based in United Kingdom.
💚 Brand affinity
EstimatedBrands Astrum's audience is most likely to respond to — from detected sponsorships in this niche.
Shopify
About
How big is the Solar System? What actually orbits our Sun? Why should I even be interested in space? On this channel, we'll answer these and a whole host of other questions. We will have a series dedicated to each of our planets and showcase beautiful images and videos captured by probes and spacecraft of our amazing Solar System.
Subscribe and join us on this journey of discovery!
📸 Gallery
Recent videos
Gravity Is Not What You Think | Explained in Two
23.4K views · 17 days ago
The Surprising Danger of Building a Human Colony on the Moon
624.5K views · 18 days ago
We Measured Dark Energy in Our Solar System for the First Time
541.8K views · 25 days ago
Why Is the Closest Planet to the Sun So Cold?
1.8M views · 1 month ago
The Andromeda Galaxy Is Under Attack
1M views · 1 month ago
We Caught a Black Hole Switching On For the First Time
1.1M views · 1 month ago
Earth’s Entire Existence In One Video
673.7K views · 1 month ago
NASA Found Huge Structures Hidden Inside Mars
630.9K views · 1 month ago
You Can’t Land on Saturn's Moon Hyperion
1.5M views · 1 month ago
Watch the Total Solar Eclipse LIVE With Astrum
144.3K views · 1 month ago
Have We Finally Found a Real Wormhole?
1.6M views · 2 months ago
We’ve Seen the Sun’s Inner Corona For the First Time... and It's Not What We Expected
568.1K views · 2 months ago
More like this
Find more →
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Frequently asked questions
How much does Astrum charge for a sponsorship?
Astrum hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact Astrum for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Astrum, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many subscribers does Astrum have?
Astrum has 2,880,000 subscribers on YouTube.
✉ Message Astrum
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🎤 Event / appearance with Astrum
Booking an event / appearance is a Pro feature. Upgrade to book Astrum for an in-person or virtual appearance — payment held safely in escrow until the event is done.
- ✓ Book them for events, livestreams, panels & more
- ✓ Astrum gets notified by email
- ✓ Fee held in escrow, released after the appearance
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