Astrum YouTube Stats

@astrumspace · Science & Education · Updated Nov 6, 2026

Astrum channel overview

Astrum (@astrumspace) is a YouTube channel in the Science & Education niche created in 2013. It has 2.9M subscribers and 640M total views across 502 videos, an average of 1.3M views per video over its lifetime.

Its last 30 uploads averaged 1.1M views, and a typical video (the median) gets 897K views. Over the last 12 months, Astrum published 53 videos (8% Shorts), and 1 of them (2%) reached at least 3× the channel's typical views.

Subscriber growth

Over the last 17 days, Astrum gained 10K subscribers and 7.3M views, about 429K views a day.

How much does Astrum make?

Returbe estimates Astrum's YouTube ad revenue at $44K – $149K per month. The estimate uses an RPM (revenue per 1,000 views, after YouTube's share) of $3.16 to $10.85, typically $5.88, based on the channel's niche, audience language and the share of its views coming from Shorts. At that rate, 1 million long-form views earn about $5.9K.

Ad revenue is only part of the picture: sponsorships, affiliate links, memberships and merch often pay more than ads. Learn how RPM varies by niche in how much YouTubers make per 1,000 views, or check any channel with the free monetization checker.

Upload schedule

Astrum publishes about 5.4 videos a month. Based on its last 53 uploads, its most common upload day is Wednesday (51% of uploads), usually around 16:00 UTC. The last video went out on Nov 4, 2026.

Astrum's best outlier videos

An outlier is a video that beats the channel's own typical views. These are Astrum's biggest hits relative to its normal, the ideas its audience responded to most. What is an outlier video?

• Mars Has a Fatal Flaw - And No-one Has the Solution (ft. Veritasium)4.5M views · Mar 20, 20253.5× typical views
• Why Is the Closest Planet to the Sun So Cold?2.7M views · Sep 2, 20263× typical views
• What NASA Found Below Jupiter's Clouds2.5M views · Mar 23, 20262.8× typical views
• The Surprising Danger of Building a Human Colony on the Moon2.2M views · Sep 16, 20262.4× typical views
• We've Never Seen a Supernova Explode Until Now2.1M views · Mar 4, 20262.3× typical views
• You Can’t Land on Saturn's Moon Hyperion1.7M views · Aug 13, 20261.9× typical views
• Have We Finally Found a Real Wormhole?1.7M views · Aug 5, 20261.9× typical views
• Uranus: The Weirdest Planet in the Solar System1.6M views · Oct 27, 20261.7× typical views

Latest videos

6 of Astrum's last 30 uploads did at least 1.5× the channel's typical views.

• We Found an Unknown Chemical Signature on Saturn’s Moon Titan562K views · Nov 4, 20260.6× typical views
• The Impossible Reality Inside a Black Hole577K views · Oct 29, 20260.6× typical views
• Uranus: The Weirdest Planet in the Solar System1.6M views · Oct 27, 20261.7× typical views
• What Is Hiding in the Milky Way's Core?551K views · Oct 21, 20260.6× typical views
• Have We Finally Found a New Theory of Everything?1.3M views · Oct 14, 20261.4× typical views
• Planet Formation Explained in Two Minutes38K views · Oct 9, 2026
• Could Neptune’s Moon Triton Be Habitable?871K views · Oct 7, 20261× typical views
• What Is It Like on the Surface of a Black Hole Planet?1.5M views · Oct 1, 20261.6× typical views
• We Found Something Unexpected at the Heart of the Milky Way1M views · Sep 29, 20261.2× typical views
• The Most Detailed Image Ever Taken of the Sun3.7M views · Sep 28, 2026

The Science & Education niche on YouTube

In the last 30 days, Returbe tracked 2.2K videos from 324 channels in this niche. 10.9% of them reached 3× their channel's typical views, and a typical long video got 8.9K views. Estimated RPM for the niche: $3.5 to $12.

Smaller channels breaking out in this niche right now: Wonderism HQ (51K subs, best video 400.5×), ClipPodcast (29K subs, best video 23.1×), Past the Blue (34K subs, best video 19.1×), The Scale Room (1.3K subs, best video 281×), The Why Side (47K subs, best video 194.4×), MrCappuccino Shorts (293K subs, best video 70.5×).

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Frequently asked questions

Data from Returbe's index of YouTube channels, collected from public YouTube data. Earnings are estimates from views and RPM benchmarks, not figures from the channel. Returbe is not affiliated with Astrum or YouTube.