Galaxy M49 (NGC 4472), which has a linear dimensions of 48.2 kpc, is located at a distance of 18.42 Mpc. Determine its angular diameter.

decision
d = Dp; p = d / D = 0.0482 / 18.4 * 1 = 206265 “; then 0.0026rad = 536.3” = 9 ‘.

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