Joonas Nättilä

@joonas_nattila

Assoc. Prof. of Astrophysics at @helsinkiuni. I study neutron stars and black holes with (super)computers.

1 315Followers

180Following

313Posts total

810.1KViews on collected posts

Latest posts

Joonas Nättilä@joonas_nattila10 Sep

@joonas_nattila Thanks for using your expertise to create this visualization. How difficult was it, compared to the work you do on neutron stars and black holes? 10.7K views · 87 likes · 1 reposts · 1 replies Open on X →

Joonas Nättilä@joonas_nattila10 Sep

@joonas_nattila Are we seeing shrinking of the vortex in the animation or a zoom out? 18.2K views · 30 likes · 0 reposts · 3 replies Open on X →

Joonas Nättilä@joonas_nattila10 Sep

@joonas_nattila With all these discoveries, on the one hand I’m impressed by the feat, but on the other hand, I’m disappointed by the answer. Like is there anything special about this vortex? 90 years and all it took was a vortex? 15.3K views · 53 likes · 1 reposts · 4 replies Open on X →

Joonas Nättilä@joonas_nattila9 Sep

Visualization of the Navier-Stokes blowup solution: left- and right-handed swirls (blue and purple) wind up while the axial flow (brown) shrinks, but slower. As a result, the vortex core develops a singularity. https://t.co/D3JpdqAOiL

0:10

765.9K views · 2.1K likes · 313 reposts · 99 replies Open on X →

Against accounts of the same size

4 posts from the last 90 days, next to the under 10K follower range. shown widely, but few of those viewers react.

Median views16 756this account4 175median for under 10K

Reach, %1274.18%this account250.82%median for under 10K

Engagement, %0.36%this account1.41%median for under 10K

Metric	This account	Median for under 10K	Ratio
Median views per post	16 756	4 175	4.01×
Reach (views ÷ followers)	12.7× audience	2.5× audience	5.08×
Engagement rate	0.36%	1.41%	0.25×

Others in this range → Compare with another account → How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

765.9K9 Sep

15.3K10 Sep

18.2K

10.7K

Last 4 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.34%9 Sep

0.38%10 Sep

0.18%

0.83%

Reactions — likes, reposts, replies and quotes — divided by views. Median for under 10K accounts is 1.41%.

What the audience does

Likes63.1%2 285 in total

Reposts8.7%315 in total

Replies3.0%107 in total

Quotes1.5%56 in total

Bookmarks23.7%856 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Latest posts

Against accounts of the same size

Growth & engagement

Views per post

Engagement rate per post

What the audience does

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