Astrum Extra YouTube channel thumbnail
Astrum Extra
Subscribers 276K
Videos 168
Views 52.5M

Channels Like Astrum Extra

Astrum Extra covers space-related content, focusing on astronomy, space missions, and related topics. The channel publishes shorts and longer explorations, with a mix of deep-dives and informative videos, and maintains an average of about 192.9K views per video, with roughly 1.0 upload per week.

Similar Channels

We found 50 YouTube channels similar to Astrum Extra

Astrum YouTube channel thumbnail
#1

91% relevance

Subscribers 2.8M
Videos 454
Views 554.1M
Appearances 19
SERP 100%
Similarity 84%
space exploration astronomy discoveries galaxy structures

Both channels target space exploration and astronomy discoveries, sharing high search overlap (100% for Astrum) and very similar content focus (84%), making Astrum Extra’s audience compare closely with Astrum’s.

PBS Space Time YouTube channel thumbnail
#2
PBS Space Time

78% relevance

Subscribers 3.4M
Videos 436
Views 528.9M
Appearances 17
SERP 79%
Similarity 77%
cosmology breakthroughs black holes basics cosmic background radiation

Shares audience interest in cosmology breakthroughs and black holes basics, with strong search overlap (79%) and content similarity (77%), indicating a closely aligned yet more theory-driven presentation.

Kurzgesagt – In a Nutshell YouTube channel thumbnail
Subscribers 25.1M
Videos 349
Views 3.6B
Appearances 11
SERP 77%
Similarity 74%
universe mysteries cosmology breakthroughs alien life space

Covers universe mysteries and cosmology breakthroughs that align with Astrum Extra’s topics, yielding high search (77%) and solid content overlap (74%), though Kurzgesagt uses a distinct animated style.

StarTalk YouTube channel thumbnail
#4

63% relevance

Subscribers 5.4M
Videos 1.7K
Views 947.9M
Appearances 7
SERP 42%
Similarity 77%
astronomy discoveries cosmology breakthroughs dark matter theories

Addresses astronomy discoveries and dark matter theories that intersect with Astrum Extra’s topics, showing moderate-to-high search overlap (42%) but strong content alignment (77%), suggesting a similar science communication approach with occasional breadth differences.

Sabine Hossenfelder YouTube channel thumbnail
Subscribers 1.8M
Videos 1.1K
Views 345.2M
Appearances 9
SERP 40%
Similarity 78%
exoplanets evidence dark matter theories cosmic background radiation

Engages with exoplanet evidence, dark matter theories, and cosmic background radiation, yielding notable search overlap (40%) and high content similarity (78%), but tends to focus on theoretical critique and analysis.

SEA YouTube channel thumbnail
#6
SEA

63% relevance

Subscribers 758K
Videos 127
Views 105.6M
Appearances 6
SERP 41%
Similarity 77%
galaxy structures galactic collision history cosmic background radiation

Delivers content on galaxy structures and cosmic background radiation with solid search overlap (41%) and high content similarity (77%), indicating a shared audience but potentially different presentation niche.

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Content Landscape

Discovered competitors include Astrum (91% match) with 2.8M subscribers and overlaps on space exploration, astronomy discoveries, and galaxy structures; PBS Space Time (78% match) with 3.4M subscribers overlapping on cosmology breakthroughs, black holes basics, and cosmic background radiation; Kurzgesagt – In a Nutshell (76% match) with 25.1M subscribers overlapping on universe mysteries, cosmology breakthroughs, and alien life space. These channels are competitors because they target similar queries such as space exploration, astronomy discoveries, and galaxy structures. Astrum Extra has fewer subscribers than all three top competitors (Astrum 2.8M, PBS Space Time 3.4M, Kurzgesagt 25.1M), indicating a smaller audience size but sharing core topics and search terms.

Video Highlights

Recent content from similar channels

Didn't Make the Cut

44 additional channels that were close

Rank Relevance Channel Similarity Subscribers SERP Appearances
#7 61% Spark 78% 2.0M 34% 6
#8 60% The Space Race 77% 712K 35% 6
#9 60% Stanford 69% 2.1M 45% 11
#10 59% Cool Worlds 81% 1.1M 26% 5
#11 59% Space Matters 82% 322K 24% 6
#12 58% Destiny 84% 2.0M 20% 7
#13 58% John Michael Godier 80% 491K 26% 4
#14 58% Beyond Horizons 85% 52K 16% 3
#15 57% Boring Space 85% 39.3K 15% 3
#16 57% Arvin Ash 79% 1.1M 25% 4
#17 57% Insane Curiosity 81% 620K 20% 3
#18 56% The Royal Institution 74% 1.7M 31% 6
#19 56% Science Time 74% 1.1M 29% 9
#20 56% Sleepy Science Channel 69% 242K 36% 4
#21 56% Ian Lauer Astro 74% 115K 28% 5
#22 55% Perimeter Institute for Theoretical Physics 77% 231K 23% 5
#23 55% Late Science 82% 105K 15% 5
#24 55% History of the Universe 76% 1.1M 24% 7
#25 55% Piled Higher and Deeper (PHD Comics) 79% 139K 19% 2
#26 55% Kyplanet 80% 112K 16% 3
#27 55% BBC Earth Science 81% 1.8M 15% 5
#28 54% NASA Video 78% 1.0M 18% 5
#29 54% Canadian Space Agency 71% 1.1M 29% 4
#30 54% Isaac Arthur 78% 873K 18% 2
#31 54% What If 75% 8.8M 22% 7
#32 54% Sleep On Science 80% 58.9K 14% 5
#33 53% TED-Ed 70% 22.4M 28% 4
#34 53% David Bowie 67% 2.2M 32% 4
#35 53% National Science Foundation News 78% 184K 15% 2
#36 53% The Infographics Show 73% 15.4M 22% 3
#37 52% Quantum Grid 78% 1.7K 14% 2
#38 52% The Paint Explainer 77% 1.8M 15% 2
#39 52% Veritasium 76% 20.4M 16% 4
#40 52% Professor Dave Explains 66% 4.2M 31% 6
#41 52% AstroBackyard 75% 532K 17% 5
#42 51% Jared Owen 75% 4.3M 17% 1
#43 50% CrashCourse 66% 16.9M 27% 7
#44 50% Ars Technica 73% 391K 15% 2
#45 50% VideoFromSpace 73% 2.1M 16% 7
#46 49% BBC Ideas 70% 678K 17% 1
#47 48% European Space Agency, ESA 69% 1.4M 16% 5
#48 48% NASA Johnson 70% 742K 14% 2
#49 46% Discovery UK 66% 4.9M 16% 2
#50 43% BBC News 62% 19.4M 14% 2

Search Queries Used

space exploration astronomy discoveries universe mysteries galaxy structures space telescopes life on Mars deep space signals ice moons Saturn water in space cosmic phenomena space observations exoplanets evidence cosmology breakthroughs alien life space physics revolutions dark matter theories space weather effects proto planet formation galactic collision history black holes basics stellar nurseries cosmic background radiation alien megastructures debate neutron stars properties habitable zones review dark energy overview cosmological inflation explained deep space photography tips planetary ring dynamics solar system probes interstellar travel concepts astrobiology basics space time warp ideas gravitational waves explained astronomical data visualization

Frequently Asked Questions

Which YouTube channels are most similar to Astrum Extra?

Astrum Extra's biggest YouTube competitors are Astrum — 91% match, 2.8M subscribers; PBS Space Time — 78% match, 3.4M subscribers; Kurzgesagt – In a Nutshell — 76% match, 25.1M subscribers. All three channels focus on space, science, and explanations of complex topics in engaging video formats.

What type of content does Astrum Extra make?

Astrum Extra creates space and astronomy content, with topics like rock sample findings, hottest places in the universe, giant structures in space, NASA water missions, and physics discoveries. The channel uploads about 1.0 video per week, with average views around 192.9K per video.

How do we determine which channels are similar to Astrum Extra?

We analyze Astrum Extra's recent videos, generate topic-relevant search queries, check YouTube search results, and compare the meaning of each channel's content to measure similarity. The result is a ranked list sorted by SERP overlap, semantic similarity, and search appearances.

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