Janna Levin ✓

@JannaLevin · New York City · joined 06 Mar 2013

Astrophysicist. Author. Professor Barnard/Columbia. Labors of Love: Founded Sciences, Pioneer Works. Founding editor-in-chief Broadcast. co-host The Joy of Why.

41 824Followers

872Following

8 177Posts total

7.5KViews on collected posts

Latest posts

Janna Levin ✓@JannaLevin16 Sep

"It had been like dying, that sliding down the mountain pass. It had been like the death of someone, irrational, that sliding down the mountain pass and into the region of dread." -- Annie Dillard https://t.co/XxQI8S44XZ 1.3K views · 10 likes · 1 reposts · 3 replies Open on X →

Janna Levin ✓@JannaLevin16 Sep

Thinking of the singular Annie Dillard in the wake of her passing. From her iconic eclipse essay: "This was the universe about which we have read so much and never before felt: the universe as a clockwork of loose spheres flung at stupefying, unauthorized speeds." -- Annie 1.4K views · 19 likes · 2 reposts · 3 replies Open on X →

Janna Levin ✓@JannaLevin14 Sep

@JannaLevin Dog Quixote: My Travels Through Canis Major. 18 views · 2 likes · 0 reposts · 0 replies Open on X →

Janna Levin ✓@JannaLevin14 Sep

@JannaLevin Or you might just win a Pulitzer. Nothing ventured, nothing gained. 45 views · 0 likes · 0 reposts · 0 replies Open on X →

Janna Levin ✓@JannaLevin14 Sep

@JannaLevin im not interested in reading, watching or listening to media created by ai 27 views · 1 likes · 0 reposts · 0 replies Open on X →

Janna Levin ✓@JannaLevin14 Sep

If we can ask AI to write us a novel in the style of Don Quixote but in space with a canine protagonist, will we lose all of our common texts and the intellectual connection a shared text provides. 1.7K views · 17 likes · 0 reposts · 4 replies Open on X →

Janna Levin ✓@JannaLevin14 Sep

With the recent kerfuffle over AI solutions to a Millennium Prize Problem -- did the agents scour the unpublished chats of a human mathematician with their AI to beat him to the result? -- our recent conversation with these influential mathematicians feels so relevant and timely 1.5K views · 23 likes · 3 reposts · 0 replies Open on X →

Janna Levin ✓@JannaLevin13 Sep

Re-reading this excellent piece on Event Horizon Telescope this morning from @overbye in preparation for a conversation I'm having with Shep Doeleman for @QuantaMagazine and The Joy of Why. Written before EHT's success, the article really captures a beautiful moment on a mountain 1.4K views · 22 likes · 5 reposts · 0 replies Open on X →

Against accounts of the same size

8 posts from the last 90 days, next to the 10K–100K follower range. right around the median for its follower range.

Median views1 358this account924median for 10K–100K

Reach, %3.25%this account3.62%median for 10K–100K

Engagement, %1.71%this account1.52%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	1 358	924	1.47×
Reach (views ÷ followers)	3.25%	3.62%	0.90×
Engagement rate	1.71%	1.52%	1.12×

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

1.4K13 Sep

1.5K14 Sep

1.7K

1.4K16 Sep

1.3K

Last 8 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

1.91%13 Sep

1.75%14 Sep

1.33%

3.70%

0.00%

11.11%

1.67%16 Sep

1.07%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.52%.

What the audience does

Likes77.7%94 in total

Reposts9.1%11 in total

Replies8.3%10 in total

Quotes1.7%2 in total

Bookmarks3.3%4 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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