- The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
The result was: promoted by BorgQueen (talk) 15:06, 17 April 2023 (UTC)
TRAPPIST-1
- ... that the star TRAPPIST-1 has seven planets in a harmonic chain?
Improved to Good Article status by Jo-Jo Eumerus (talk). Self-nominated at 09:39, 16 March 2023 (UTC). Post-promotion hook changes for this nom will be logged at Template talk:Did you know nominations/TRAPPIST-1; consider watching this nomination, if it is successful, until the hook appears on the Main Page.
| General: Article is new enough and long enough
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| Policy: Article is sourced, neutral, and free of copyright problems
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| Hook: Hook has been verified by provided inline citation
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Overall: 
Valereee (talk) 17:57, 17 March 2023 (UTC)
- Not finding the term "harmonic chain" in the article. Valereee (talk) 18:03, 17 March 2023 (UTC)
- I don't know what a harmonic chain is, which I think affects interestingness of the hook. Maybe a link? Valereee (talk) 18:04, 17 March 2023 (UTC)
- QPQ started; I can AGF on finishing it once we finish up here. Valereee (talk) 18:06, 17 March 2023 (UTC)
- I confess, I used "harmonic" mostly because I don't know a better word to describe a chain of planets whose orbits are in a beautiful mathematical order. Is there a better word? Jo-Jo Eumerus (talk) 08:43, 18 March 2023 (UTC)
- How do reliable sources describe it? Surtsicna (talk) 16:39, 27 March 2023 (UTC)
- This press release uses "harmonic". Jo-Jo Eumerus (talk) 08:17, 28 March 2023 (UTC)
- I have to respectfully disagree with Valereee here. I don't really think sticking to the "harmonic" angle would be a good idea, at least without alternative options, considering it may be hard to get by people who aren't into astronomy (I'm an astronomy buff myself and I don't know what it means). TRAPPIST-1 is one of the most-studied and most famous exoplanet systems around, so I'd really prefer there to be a wider pool of possible hooks to be proposed here rather than a single option. I won't oppose the harmonic hook being approved or promoted if chosen, but ideally there should be more hook proposals considering the system's importance in astronomy. Narutolovehinata5 (talk · contributions) 13:25, 2 April 2023 (UTC)
- Jo-Jo Eumerus, ALT1 would be fine with me. Valereee (talk) 20:50, 9 April 2023 (UTC)
- @Valereee: Is there anything missing? QPQ is linked. Jo-Jo Eumerus (talk) 16:11, 16 April 2023 (UTC)
Approving with ALT1, thanks all!
Valereee (
talk) 11:19, 17 April 2023 (UTC)
Valereee (talk) 17:57, 17 March 2023 (UTC)