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green lines are the Event Horizon Telescope and yellow is the Global mm-VLBI Array. See "5. How to build an Earth-sized radio telescope"[2] --~mikeu As described...

catch-all "event horizon": Event horizon Absolute horizon Apparent horizon Particle horizon Cosmological horizon Cauchy horizon Killing horizon Dynamical...

still deserves inclusion in this article (which, recall, is on the radio telescope collaboration), maybe it should be first copyedited and then worked into...

the article is already about. No one is using an X-ray telescope to spot ships on the horizon. They don't even work in atmosphere. - MrOllie (talk) 15:52...

Problem: a statement under "X ray and gamma ray telescopes" says that the Earth's atmosphere is opaque to these parts of the electromagnetic spectrum....

the Morphology of M87* in 2009–2017 with the Event Horizon Telescope". The Astrophysical Journal. 901 (1): 67. doi:10.3847/1538-4357/abac0d. ISSN 1538-4357...

ongoing efforts of the Event Horizon telescope and GRAVITY to provide more direct observational evidence for the existence of a horizon.TR 11:11, 8 January...

Retrieved 1 November 2018. The article currently says: "In 2016 direct radio images were taken of Sagittarius A* by the Event Horizon Telescope, processed...

been used as one station of the event horizon telescope, in combination with CARMA in California and the Hertz telescope in Arizona, but the vast majority...

hole in M87 has been studied by the Event Horizon Telescope [11] — Preceding unsigned comment added by 2001:982:845B:1:D4AD:1F88:38F1:83D3 (talk) 13:29,...

paper: [1] (Akiyama et al, First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring, Astrophysical Journal Letters, 875(1), 10...

September 2019 (UTC) didn't the imaging of the black hole with the event horizon telescope make the likelyhood of the first reference not very likely? the...

exoplanets were discovered by ground-based telescopes rather than Hubble. http://hubblesite.org/newscenter/newsdesk/archive/releases/2004/07/ Should this be added...

I don't think this ever-changing data, As of May 1, 2015, New Horizons was about: 0.59 AU (88,000,000 km; 55,000,000 mi) from Pluto 32.29 AU (4.831×109...

this point will lie well inside the event horizon (see also [1]), so the astronaut may cross the event horizon painlessly and live . Conversely, for...

traditional scenario the event horizon forms and then things get really crazy once stuff goes inside. Follow this progression: 1) Incompressible massive...

black holes. The singularity is inside the event horizon which is why it can't emit light escaping to event horizon, though perhaps it might escape through...

here. Talk:New Horizons/Archive 1/Magic numbers/Pre–launch Talk:New Horizons/Archive 1/Magic numbers/2006-Jan-21 Talk:New Horizons/Archive 1/Magic numbers/2006-Jan-24...

that there is no structure to the black hole other than the point (the event horizon being conceptual only). That depends on your point of view. Literally...

some critical time (mass, density), the observer would see the the event horizon disappear(?) and the volume within expand? Like a big bang? —Preceding...