GermanAlexander Gerst Twitter (X) stats, updated continuously. @Astro_Alex has 1,050,283 followers and 5,559 posts on X. Account age: 14 years (joined October 2011).
Engagement
Early reading. We have captured 1 original post for this account, below the 8 we require before treating a median as settled. The numbers above describe what we have seen so far, not a finished profile of the account.
A typical post picks up 873 interactions against 1.1M followers, an engagement rate of 0.083%. Posts are seen about 36K times each, and 2.39% of those impressions turn into an interaction. That is about 3.47% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.03 posts a day over the last 30 days, though only 3% of days saw any activity at all.
Measured over 1 original post from a 30-day window, last computed on August 30, 2026.
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Follower growth
Bio
European of German nationality, @ESA astronaut, geophysicist, volcanologist, explorer. Lived one year in space where he served as Commander of ISS Expedition 57
Notable followers
The biggest accounts in our directory following @Astro_Alex.
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Alexander Gerst on Twitter (X) - frequently asked questions
- How many followers does Alexander Gerst have on X?
- Alexander Gerst (@Astro_Alex) has 1,050,283 followers on X (Twitter). The count is refreshed continuously from public data.
- When did Alexander Gerst join X, and how old is the account?
- Alexander Gerst joined X in October 2011. The @Astro_Alex account is 14 years old. Searches for Alexander Gerst age often mean a personal age, which we do not publish. The figure here is the account age only.
- How many posts has Alexander Gerst published?
- Alexander Gerst has published 5,559 posts on X. That is about 1 posts per day over the life of the account.
- Is Alexander Gerst verified on X?
- Yes. Alexander Gerst carries a Government verification on X.
- What does Alexander Gerst post about?
- Alexander Gerst is classified under Science in our directory. Bio: "European of German nationality, @ESA astronaut, geophysicist, volcanologist, explorer. Lived one year in space where he served as Commander of ISS Expedition 57".