Science | Event Horizon Telescope
Apr 10, 2019 · As a result, the size of its event horizon is not quite as large as that of Sgr A*, but large enough for the EHT to resolve. M87 is about 22 micro-arc-sec compared to the 53 micro-arc-sec of Sgr A*. The EHT needs a strong enough resolving power, also called angular resolution, to match the small angular size of these black holes.
DA: 35 PA: 34 MOZ Rank: 2