EnglishAndrew Rader is on Twitter (X) as @marsrader, with 760,695 followers and 11,208 posts. It has been on X since January 2013, an account age of 13 years.
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 98 interactions against 761K followers, an engagement rate of 0.013%. Posts are seen about 11K times each, and 0.855% of those impressions turn into an interaction. That is about 1.51% 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 31, 2026.
Full engagement reportFollower growth
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Bio
SpaceX Engineer, MIT PhD, TV Know-it-All 🚀 New book 'Beyond the Known' is available now: https://t.co/sM0v6vs2DY 📖 Audiobook: https://t.co/4lI48gFaFX
Notable followers
The biggest accounts in our directory following @marsrader.
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Andrew Rader on Twitter (X) - frequently asked questions
- What is the Twitter handle for Andrew Rader?
- Andrew Rader posts on Twitter (X) as @marsrader. The profile is at x.com/marsrader, and the View on X button at the top of this page opens it.
- How many followers does Andrew Rader have on Twitter?
- Andrew Rader (@marsrader) has 760,695 followers on Twitter (X). The count is refreshed continuously from public data.
- When did Andrew Rader join Twitter?
- Andrew Rader joined Twitter (X) in January 2013. The @marsrader account is 13 years old. Searches for Andrew Rader age often mean a personal age, which we do not publish. The figure here is the account age only.