Suppose that an alien observer is looking at our Galaxy from the Andromeda nebula (M31) galaxy, the distance to which is 0.77 Mpc. What shape will the disk of our Galaxy have for this observer if the galactic latitude of the galaxy M31 is -22 °? Estimate the maximum and minimum angular dimensions of the disk it sees.
The disc will be elliptical; angular dimensions are approximately 134 ‘and 50’.
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