United States
United Kingdom
Canada
Australia
New Zealand
IrelandVideo taking off 5.6x its usual first day
Cosmoknowledge shows why a tsunami grows near shore
A split-screen animation replaces the familiar curling monster wave with a small deep-ocean swell that changes as the water shallows.
In short
On YouTube, Cosmoknowledge has 827,000 subscribers and 355,386,376 views in all, as of November 15, 2026. In the last 7 days it gained 1,129,858 views. By YouTube subscribers it is No. 2,983 of the 6,390 channels on Trari, and No. 70 of 99 in category "Science and experiments". On Instagram, @itscosmoknowledge has 541,226 followers. The account lost 609 followers in the last 7 days.
YouTube: The numbers today
subscribers
827,000
no significant change in the last 7 days
▲ 2,000 in the last 30 days
▲ 2,000 in the last 30 days
total views
355,386,376
▲ 1,129,858 in the last 7 days
▲ 5,808,374 in the last 30 days
▲ 5,808,374 in the last 30 days
views a day (current pace)
157,149
on a typical day: 172,846
Videos on the channel
3,871
14 uploaded in the last 7 days
Last upload
yesterday
November 14, 2026
Views per subscriber
429
Next milestone
1,000,000 subscribers
173,000 subscribers to go
Instagram: The numbers today
@itscosmoknowledge · The account on Instagram
Followers
541,226
▼ 51 a day, on average over the last 2 days
▼ 609 in the last 7 days
▼ 609 in the last 7 days
Posts
4,224
Likes per post
105
usually, by 5 recent posts
0.02% of followers
0.02% of followers
Place on Instagram
| Among all channels on Trari | In the category Science and experiments | |
|---|---|---|
| By Instagram followers | 1,242 of 2,920 | 16 of 51 |
Ranked among the channels whose Instagram account is on Trari.
Instagram followers: Science and experiments
Latest posts
Tap a post to see it here
| Post | Type | Posted | Views | Likes | Comments |
|---|---|---|---|---|---|
| The USA just stopped every plane from taking off for over four hours. | Reel | November 14, 2026 | 19,977 | 225 | 9 |
| An asteroid that could make everyone rich? That's the viral claim, but Psyche's… | Carousel | November 14, 2026 | - | 29 | 1 |
| Before selfies had a name, Buzz Aldrin took one with Earth behind him. On… | Carousel | November 14, 2026 | - | 25 | 0 |
| SpaceX launches Starship on its 15th test flight. | Reel | November 14, 2026 | 12,228 | 291 | 12 |
| Watch how gravity slows time. | Reel | November 13, 2026 | 19,998 | 300 | 12 |
| Mars has the samples. Earth has the labs. Getting the two together is the hard… | Carousel | November 13, 2026 | - | 50 | 3 |
| The Sun won't stay this small forever. Billions of years from now, it will swell… | Photo | November 13, 2026 | - | 103 | 4 |
| If Earth suddenly stopped spinning, everything not bolted to bedrock would keep… | Reel | November 12, 2026 | 56,310 | 338 | 31 |
Of the 15 latest posts: 5 Reels, 6 carousels and 4 photos.
As of November 15, 2026
Follower, post, like, comment and view counts in this part are Instagram's. The changes and the "usually" figures are Trari's own calculations.
YouTube: What happened lately
November 15, 2026 4.2x its usual first day The USA just stopped every plane from taking off … The video opened at a pace of 41,997 views a day, 4.2 times a normal first day on this channel (9,942).
This week on the channel +880K views this week
Everest shrinks to a barely visible bump on Cosmoknowledge
An animated trip from the world's highest mountain to the Mariana Trench puts Earth's surface in planetary perspective.
Video taking off 65x its usual first day
"Sunlight never stands still," says Cosmoknowledge, and viewers ask who is moving
A 30-second animation follows the overhead Sun from tropic to tropic, and its comment section has turned into a debate over how to draw the…
The video drawing the most views now
The USA just stopped every plane from taking off for over four hours.
- Video published
- November 14, 2026
- Video views so far
- 27,625
- Video views, pace per day
- 41,997
- Views in its first 11 hours
- 27,625
Similar channels
YouTube: Position on Trari and in the category
| Among all channels on Trari | In the category Science and experiments | |
|---|---|---|
| By subscribers | 2,983 of 6,390 | 70 of 99 |
| By views gained this week | 2,546 of 5,236 | 35 of 87 |
| By views gained in the last 30 days | 2,428 of 5,179 | 33 of 87 |
The ranking by views counts only channels whose weekly number is available.
- The channel's share of the category
- 0.2% of all views the category's channels gained this week
Subscribers in the category Science and experiments
Views gained this week in the category Science and experiments
YouTube and Instagram: Subscribers and followers, last 30 days
Growth in percent since November 5, 2026, so both lines start from the same point
- YouTube · 827,000 subscribers 0% (0)
- Instagram · 541,226 followers -0.15% (-820)
From November 5, 2026 to November 15, 2026: on YouTube from 827,000 to 827,000 subscribers (0%), on Instagram from 542,046 to 541,226 followers (-0.15%).
YouTube rounds a large channel's subscriber count, so its line moves in steps.
The numbers by day
| Day | Subscribers (YouTube) | Followers (Instagram) |
|---|---|---|
| November 15, 2026 | 827,000 | 541,226 |
| November 14, 2026 | 827,000 | - |
| November 13, 2026 | 827,000 | 541,331 |
| November 12, 2026 | 827,000 | - |
| November 11, 2026 | 827,000 | 541,539 |
| November 10, 2026 | 827,000 | - |
| November 9, 2026 | 827,000 | 541,677 |
| November 8, 2026 | 827,000 | 541,736 |
| November 7, 2026 | 827,000 | 541,835 |
| November 6, 2026 | 827,000 | 541,937 |
| November 5, 2026 | 827,000 | 542,046 |
YouTube: Total views, last 30 days
October 17, 2026: 349,793,876 views → November 15, 2026: 355,386,376 views · average: 192,844 views a day
YouTube: The channel's latest videos
The last 15 videos uploaded to the channel, with today's numbers. Click a video to play it here.
| Video | Uploaded | Length | Views | Per day | First day | Likes | Comments |
|---|---|---|---|---|---|---|---|
 The USA just stopped every plane from taking off for over f… | November 14, 2026 | 0:27 short | 27,625 | 41,997 | 27,625 (11 hours) | 400 | 63 |
 Hera Just Arrived at the Asteroid We Moved | November 14, 2026 | 7:45 | 1,257 | 1,645 | 1,257 (14 hours) | 42 | 3 |
 Starship lifts off, but Super Heavy’s return ends in an exp… | November 14, 2026 | 0:22 short | 11,274 | 12,185 | 11,274 (20 hours) | 195 | 13 |
 Starship launches on its 15th test flight. Video by Cosmokn… | November 14, 2026 | 0:22 short | 3,955 | 4,059 | 3,955 (22 hours) | 103 | 6 |
 The fastest spacecraft ever built vs the speed of light. | November 13, 2026 | 0:17 short | 22,307 | 15,517 | 15,072 | 249 | 1 |
 A sonic boom isn’t made once, the jet drags it along the gr… | November 13, 2026 | 1:12 short | 5,039 | 2,605 | 3,595 | 198 | 7 |
 The most dangerous tsunami can barely look like a wave at s… | November 12, 2026 | 1:16 short | 13,282 | 7,314 | 4,361 | 374 | 14 |
 Voyager 1 is about to be one light day away. | November 12, 2026 | 1:12 short | 22,031 | 7,452 | 8,113 | 703 | 28 |
 Sonic boom isn’t one bang, it follows the jet. | November 11, 2026 | 0:11 short | 28,823 | 1,696 | 18,725 | 351 | 12 |
 A tsunami in the open ocean is only half a metre tall. | November 11, 2026 | 0:13 short | 60,721 | 9,768 | 44,146 | 399 | 20 |
 What you think happens when two galaxies collide vs reality. | November 10, 2026 | 0:12 short | 41,529 | 2,304 | 34,227 (35 hours) | 397 | 14 |
 Asteroid ocean impact: expectation vs reality. | November 10, 2026 | 0:18 short | 31,005 | 644 | 27,801 (38 hours) | 313 | 21 |
 At true scale, the planets of our solar system almost vanis… | November 9, 2026 | 0:13 short | 43,747 | 501 | 25,952 | 698 | 15 |
 Each of your cells holds about 2 metres of DNA, Red blood c… | November 9, 2026 | 0:26 short | 6,586 | 68 | 3,199 | 181 | 5 |
 Near the black hole, escaping light loses energy and arrive… | November 8, 2026 | 0:20 short | 15,126 | 183 | 10,414 (35 hours) | 228 | 6 |
Audience engagement
- likes per 1,000 views
- 14.5 in the category: 30.1
- comments per 1,000 views
- 0.7 in the category: 1.2
- a video's usual first day on this channel
- 9,462 views
- short vs long
- 14 short (up to 3 minutes), 1 long
average views per short video: 23,789
average views per long video: 1,257
YouTube: Most watched videos (not Shorts)
| Video | Uploaded | Length | Views |
|---|---|---|---|
 Sound of Two Black Holes Colliding | May 7, 2017 | 1:19 | 7,073,840 |
 Sound of the Big Bang | June 7, 2019 | 2:01 | 1,853,263 |
 What the Upcoming Magnetic Flip Will Do to Earth | January 12, 2025 | 7:32 | 1,611,296 |
 Boötes Void One Of The Largest Voids In The Universe | January 27, 2021 | 7:41 | 1,354,060 |
 What Science Thinks Happens Beyond Light Speed | May 3, 2026 | 8:55 | 1,091,558 |
YouTube: Most watched Shorts
| Video | Uploaded | Length | Views |
|---|---|---|---|
 How long does a beam of light take to circle solar system o… | December 18, 2025 | 0:28 | 23,934,480 |
 Apophis expectation vs reality. #space #asteroid #apophis #… | February 23, 2024 | 0:19 | 22,457,047 |
 If Vesta hit Earth. A collaboration with MetaBalStudios. #s… | May 25, 2024 | 0:42 | 21,775,920 |
 Size comparison between the Earth and a black hole the mass… | November 16, 2022 | 0:15 | 19,662,067 |
 If the Super-Saturn (J1407b) replaced Saturn. #space #satur… | November 1, 2022 | 0:15 | 16,140,587 |
YouTube: What happened on the channel in the last 30 days
The days when the channel's numbers left the ordinary.
- Video taking offThe USA just stopped every plane from taking off … The video opened at a pace of 41,997 views a day, 4.2 times a normal first day on this channel (9,942).
- Video taking offA tsunami in the open ocean is only half a metre … The video opened at a pace of 53,645 views a day, 5.6 times a normal first day on this channel (9,554).Read the story
- MilestoneBy the time you hear a supersonic jet, it’s alrea… The video passed 1,000,000 views.
- Video taking offEverest to the Mariana Trench is just 0.16% of Ea… The video opened at a pace of 35,935 views a day, 3.3 times a normal first day on this channel (10,743).
- Video surgingWhat if the Moon were 50% closer? The video ran that day at 42,540 views a day, 2.5 times its usual pace (17,252).
- Video surgingWhat if the Moon were 50% closer? The video ran that day at 41,980 views a day, 2.9 times its usual pace (14,504).
- Video taking offSpeed comparison Light vs Sound. The video opened at a pace of 37,019 views a day, 3.2 times a normal first day on this channel (11,555).
- Video taking offSince 1957, nations launched 8,100 active satelli… The video opened at a pace of 38,272 views a day, 3.3 times a normal first day on this channel (11,664).
- Video surgingBy the time you hear a supersonic jet, it’s alrea… The video ran that day at 115,488 views a day, 3.2 times its usual pace (35,596).
- Video surgingBy the time you hear a supersonic jet, it’s alrea… The video ran that day at 96,689 views a day, 3.4 times its usual pace (28,807).
Data source: Trari Social News, Trari Traffic Trends and Ranking Platform, Google YouTube, Meta Instagram
Subscriber, view, like and comment counts are YouTube's. Rates, usual days, rankings, comparisons and categories are Trari's own calculations.
Stories
Video taking off 5.6x its usual first day
Cosmoknowledge shows why a tsunami grows near shore
A split-screen animation replaces the familiar curling monster wave with a small deep-ocean swell that changes as the water shallows.
This week on the channel +880K views this week
Everest shrinks to a barely visible bump on Cosmoknowledge
An animated trip from the world's highest mountain to the Mariana Trench puts Earth's surface in planetary perspective.
Video taking off 65x its usual first day
"Sunlight never stands still," says Cosmoknowledge, and viewers ask who is moving
A 30-second animation follows the overhead Sun from tropic to tropic, and its comment section has turned into a debate over how to draw the…
This week on the channel 14 videos this week
Eight minutes and twenty seconds: Cosmoknowledge's sunset short takes off
The space channel posted fourteen times, from a Crew-13 launch to colliding galaxies, and the one about old sunlight drew the crowd.