How many followers does Katie Mack have on X?

Katie Mack (@AstroKatie) currently has 476,186 followers on X (Twitter). The count is refreshed continuously from public data.

When did Katie Mack join X (Twitter)?

Katie Mack joined X in April 2009, making the account about 17 years old.

How many posts has Katie Mack published?

Katie Mack has published 131,520 posts on X, averaging about 21 posts per day over the account's lifetime.

Is Katie Mack verified on X?

No. @AstroKatie does not currently display a verified checkmark on X.

Katie Mack

@AstroKatie

EnglishTier A

View on X

Waterloo, OntarioJoined April 2009 (17 years on X)t.co

Followers

476K

Growth (7d)

Following

3.2K

Influence

Posts

132K~21/day

Likes given

161K

Media posts

6.2K

Follower ratio

150:1

Follower growth

Not enough history yet - growth is tracked from first discovery.

Bio

Cosmologist, pilot, author, connoisseur of cosmic catastrophes. She/her. Dr. Personal account; not representing employer or anyone else.

Notable followers

The biggest accounts in our directory following @AstroKatie.

Science Magazine4.7M Maria Popova837K Physics World409K MinuteEarth (also on BlueSky)54K Yusuf Mehdi30K

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Katie Mack on X - frequently asked questions

How many followers does Katie Mack have on X?: Katie Mack (@AstroKatie) currently has 476,186 followers on X (Twitter). The count is refreshed continuously from public data.
When did Katie Mack join X (Twitter)?: Katie Mack joined X in April 2009, making the account about 17 years old.
How many posts has Katie Mack published?: Katie Mack has published 131,520 posts on X, averaging about 21 posts per day over the account's lifetime.
Is Katie Mack verified on X?: No. @AstroKatie does not currently display a verified checkmark on X.