EnglishChandra Observatory is on Twitter (X) as @chandraxray, with 418,897 followers and 78,132 posts. It has been on X since January 2008, an account age of 18 years.
Insights
Its strongest tracked day added +53 followers on Jun 24, 2026.
Engagement
Early reading. We have captured 3 original posts 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 770 interactions against 419K followers, an engagement rate of 0.184%. Posts are seen about 22K times each, and 3.58% of those impressions turn into an interaction. That is about 5.13% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.17 posts a day over the last 30 days, though only 17% of days saw any activity at all.
Measured over 3 original posts from a 30-day window, last computed on September 26, 2026.
Full engagement reportFollower growth
Best tracked day: +53 followers on 2026-06-24.
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Bio
Official Twitter account of NASA’s Chandra X-ray Observatory. Operated for NASA by Smithsonian (SAO). Verification: https://t.co/oQRMjHqCRI Legal: https://t.co/BUQNO29Sjg
Notable followers
The biggest accounts in our directory following @chandraxray.
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Chandra Observatory on Twitter (X) - frequently asked questions
- What is the Twitter handle for Chandra Observatory?
- Chandra Observatory posts on Twitter (X) as @chandraxray. The profile is at x.com/chandraxray, and the View on X button at the top of this page opens it.
- How many followers does Chandra Observatory have on Twitter?
- Chandra Observatory (@chandraxray) has 418,897 followers on Twitter (X). The count is refreshed continuously from public data.
- When did Chandra Observatory join Twitter?
- Chandra Observatory joined Twitter (X) in January 2008. The @chandraxray account is 18 years old. Searches for Chandra Observatory age often mean a personal age, which we do not publish. The figure here is the account age only.