Oracle

17753efesigned

In what year did the Event Horizon Telescope release the first image of the black hole in galaxy M87? Answer with the four-digit year only.

Answer

2,019

2019 uint256

sources
eventhorizontelescope.org, eht collaboration press release, 10 april 2019 (eventhorizontelescope.org); nasa news feature 'event horizon telescope captures first ever black hole image', 10 april 2019 (nasa.gov), en.wikipedia.org, event horizon telescope collaboration et al., "first m87 event horizon telescope results. i. the shadow of the supermassive black hole", the astrophysical journal letters, vol. 875, no. 1, l1, published and publicly announced 2019-04-10 (doi: 10.3847/2041-8213/ab0ec7)., event horizon telescope collaboration et al., "first m87 event horizon telescope results. i. the shadow of the supermassive black hole," the astrophysical journal letters, vol. 875, no. 1, l1, published/announced april 10, 2019 (https://iopscience.iop.org/article/10.3847/2041-8213/ab0ec7), event horizon telescope collaboration et al., 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters, 875, l1, published 10 april 2019 (doi: 10.3847/2041-8213/ab0ec7), event horizon telescope collaboration press conference and publication, april 10, 2019 (astrophysical journal letters 875, l1, 'first m87 event horizon telescope results'), event horizon telescope collaboration press release, 'astronomers capture first image of a black hole', april 10, 2019 (eventhorizontelescope.org); published concurrently in event horizon telescope collaboration et al., 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters 875, l1 (2019), event horizon telescope collaboration press release, 'first m87 event horizon telescope results', published april 10, 2019 (eventhorizontelescope.org / doi:10.3847/2041-8213/ab0ec7), event horizon telescope collaboration press release, 10 april 2019 (eventhorizontelescope.org); corroborated by nasa (nasa.gov), event horizon telescope collaboration press release, 10 april 2019, published simultaneously in six papers in the astrophysical journal letters, event horizon telescope collaboration press release, 2019-04-10 (published in astrophysical journal letters 875, l1, 'first m87 event horizon telescope results'), event horizon telescope collaboration press release, april 10, 2019 (eventhorizontelescope.org), announcing the first image of the m87 supermassive black hole, event horizon telescope collaboration press release, april 10, 2019 (eventhorizontelescope.org); published concurrently in the astrophysical journal letters, vol. 875, no. 1 (2019), event horizon telescope collaboration press release, april 10, 2019 (eventhorizontelescope.org); widely reported by nasa, nsf, and international press as the date of the first image of the m87 black hole., event horizon telescope collaboration press release, april 10, 2019 (published in astrophysical journal letters, apjl 875 l1-l6), event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole", the astrophysical journal letters 875 (1), l1, published/announced april 10, 2019, event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole", the astrophysical journal letters 875, l1 (2019), released at press conferences on april 10, 2019, event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole", the astrophysical journal letters, 875, l1, published 10 april 2019 (announced at simultaneous press conferences on 10 april 2019)., event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole", the astrophysical journal letters, 875, l1, published 2019-04-10 (doi: 10.3847/2041-8213/ab0ec7); widely corroborated by nasa and nsf press releases dated april 10, 2019., event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole", the astrophysical journal letters, 875, l1, published and publicly released 10 april 2019, event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole", the astrophysical journal letters, vol. 875, no. 1 (april 10, 2019), event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole", the astrophysical journal letters, vol. 875, no. 1, article l1, published 2019-04-10 (doi: 10.3847/2041-8213/ab0ec7); image release announced same day via eht/nsf press conferences., event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole", the astrophysical journal letters, vol. 875, no. 1, l1, published 2019-04-10 (announced simultaneously in press conferences on the same date), event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole," the astrophysical journal letters 875, l1 (2019); announced at simultaneous press conferences on april 10, 2019 (eventhorizontelescope.org), event horizon telescope collaboration, "first m87 event horizon telescope results. i. the shadow of the supermassive black hole," the astrophysical journal letters, vol. 875, no. 1, l1, published 2019-04-10 (eht press conference announcement same date), event horizon telescope collaboration, 'first m87 event horizon telescope results', the astrophysical journal letters, 875, l1 (2019); announced at press conferences on april 10, 2019, event horizon telescope collaboration, 'first m87 event horizon telescope results', the astrophysical journal letters, 875, l1, published april 10, 2019 (press announcement same date), event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters 875 l1 (2019), published 2019-04-10; also reported by nasa and major press outlets on the same date, event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters 875, l1 (10 april 2019), event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters 875, l1 (published/announced 10 april 2019), event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters 875, l1, published 10 april 2019 (announced via simultaneous press conferences on that date)., event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters, 875, l1, published 10 april 2019, event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters, 875, l1, published april 10, 2019; announced simultaneously at press conferences in washington d.c., brussels, santiago, shanghai, taipei, and tokyo on april 10, 2019 (eventhorizontelescope.org)., event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters, published 10 april 2019, event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters, published and announced 10 april 2019., event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters, vol. 875, l1, published 10 april 2019, event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters, vol. 875, l1, published and publicly announced 10 april 2019, event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters, vol. 875, l1, published april 10, 2019, event horizon telescope collaboration, 'first m87 event horizon telescope results. i. the shadow of the supermassive black hole', the astrophysical journal letters, vol. 875, l1, published april 10, 2019 (announced at simultaneous press conferences on that date)., event horizon telescope collaboration, 'first m87 event horizon telescope results. i.', the astrophysical journal letters 875, l1 (2019), announced at press conferences on april 10, 2019, event horizon telescope collaboration, coordinated press conferences april 10, 2019, announcing the first image of the m87* black hole; published in the astrophysical journal letters, vol. 875, no. 1 (2019), event horizon telescope collaboration, first image of m87* black hole announced april 10, 2019 (published in astrophysical journal letters, l1-l6), event horizon telescope collaboration, first m87* black hole image press release, april 10, 2019 (eventhorizontelescope.org), event horizon telescope collaboration, first m87* black hole image press release, april 10, 2019 (eventhorizontelescope.org; published concurrently in astrophysical journal letters, apjl 875 l1, 2019), event horizon telescope collaboration, press conference and papers published 10 april 2019 (astrophysical journal letters, vol. 875, l1-l6), event horizon telescope collaboration, press release (april 10, 2019): astronomers capture first image of a black hole, https://eventhorizontelescope.org/press-release-april-10-2019-astronomers-capture-first-image-black-hole, event horizon telescope faq, https://eventhorizontelescope.org/faq, event horizon telescope, first image of a black hole: https://eventhorizontelescope.org/faq/do-you-have-black-hole-image-yet-when-will-real-images-become-available, event horizon telescope, press release (april 10, 2019): astronomers capture first image of a black hole — https://eventhorizontelescope.org/press-release-april-10-2019-astronomers-capture-first-image-black-hole, event horizon telescope, press release (april 10, 2019): astronomers capture first image of a black hole, https://eventhorizontelescope.org/press-release-april-10-2019-astronomers-capture-first-image-black-hole, www.eso.org, www.nsf.gov

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    #1922,019Event Horizon Telescope Collaboration, 'First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole', The Astrophysical Journal Letters 875 L1 (2019), published 2019-04-10; also reported by NASA and major press outlets on the same date
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