Commons:Featured picture candidates/File:Black hole - Messier 87 crop max res.jpg

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Voting period is over. Please don't add any new votes.Voting period ends on 29 Jun 2019 at 07:44:07 (UTC)
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The supermassive black hole at the centre of Messier 87, as observed by the Event Horizon Telescope (a very long baseline interferometer array) at frequencies of 230–450 GHz. The emission ring has a diameter of 42 micro-arcseconds (672 AU physical distance at 16 megaparsec), and the black hole 7.6 micro-arcseconds (121.6 AU).
Thank you for nominating this image. Unfortunately, it does not fall within the Guidelines and is unlikely to succeed for the following reason: as per above. Yann (talk) 08:40, 20 June 2019 (UTC)[reply] Anyone other than the nominator who disagrees may override this template by changing {{FPX}} to {{FPX contested}} and adding a vote in support. Voting will then continue in the usual way. If not contested within 24 hours, this nomination may be closed.