@astrokatiemackKatie Mack

Astrophysicist

card updated Oct 5, 2026 · 9 clips parsed · following 74 · 358,500 likes total

Engagement3.03%normal range

Account summary

@astrokatiemack has 33,200 followers and 22 videos. Across the 9 parsed clips the average is 1,150,744 views and 33,710 likes. Engagement to views is 3.03%, which is normal range for TikTok. On the newer half of the feed the response is falling (−7.89 pp). Posts roughly 0.1 times a week. An average clip reaches 3466% of the follower count.

Followers

33.2K

+400 in period

Engagement

3.03%

−7.89 pp newer half

Average views

1.2M

median 38K

Likes per clip

33.7K

419 comments avg

Shares / saves

790 / 3.1K

0.27% of viewers save

Posting rate

0.1 / wk

reach 3466% of followers

Latest clips

9 collected

Cosmic gravitational waves! Colliding supermassive black holes! What d — @astrokatiemack

5.9M2:57Cosmic gravitational waves! Colliding supermassive black holes! What does it all mean?? #NANOGrav #pulsars #gravitationa74K6442.5K6.1K

34.9K2:59#greenscreen 1K553357

Static electricity = PHYSICS SUPERPOWERS! Or: how I learned to bend wa — @astrokatiemack

3.9M0:28Static electricity = PHYSICS SUPERPOWERS! Or: how I learned to bend water by shooting electric bolts out of my bare hand177.5K7522.8K19.1K

What is the Cosmic Web? (Shout-out to my good friend @cavatica who lov — @astrokatiemack

40.8K0:42What is the Cosmic Web? (Shout-out to my good friend @cavatica who loves all things space! And who you should definitely3.9K12251122

DARK ENERGY and why it dooms us all (but you probably shouldn’t worry — @astrokatiemack

11.8K3:00DARK ENERGY and why it dooms us all (but you probably shouldn’t worry about it). #DarkEnergy #physics #astronomy #cosmol1.5K1002846

No, #DarkMatter isn’t just a fudge factor or a mistake in our understa — @astrokatiemack

12.2K0:56No, #DarkMatter isn’t just a fudge factor or a mistake in our understanding of gravity or ether or epicycles. We do have1.3K891539

A short explanation of why we think most of the matter in the universe — @astrokatiemack

38K2:58A short explanation of why we think most of the matter in the universe is invisible! #DarkMatter #Astronomy #Physics #Co3.9K20374169

Invisible = untouchable. #DarkMatter #Physics — @astrokatiemack

405K2:52Invisible = untouchable. #DarkMatter #Physics37.9K1.7K1.5K1.9K

Can we build a space mirror to see dinosaurs?? (Note: “now” is in quot — @astrokatiemack

14K0:55Can we build a space mirror to see dinosaurs?? (Note: “now” is in quotes in this because defining “now” in the cosmos is2.4K793629

Engagement per clip

9 parsed clips · newest on the right · click a bar to open the clip peak: 17.7% ER

Nov 3Mar 5Jun 29

Date	Views	Likes	Comments	Shares	Saves	ER
Jun 29, 2023	5,900,000	74,000	644	2,512	6,099	1.31%
May 26, 2023	34,900	1,036	55	33	57	3.22%
Feb 20, 2023	3,900,000	177,500	752	2,849	19,118	4.64%
Mar 12, 2022	40,800	3,924	122	51	122	10.04%
Mar 5, 2022	11,800	1,468	100	28	46	13.53%
Feb 27, 2022	12,200	1,253	89	15	39	11.12%
Feb 27, 2022	38,000	3,942	203	74	169	11.10%
Feb 6, 2022	405,000	37,900	1,730	1,509	1,891	10.16%
Nov 3, 2021	14,000	2,369	79	36	29	17.74%