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The interstellar reddening does not shift the _______________ of spectral lines, as does the Doppler effect.
Q8: What produces the lobes in double-lobed radio
Q10: Radio telescopes are often located near populated
Q11: _ occur when tides caused by the
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Q33: Active galaxies were first discovered by observations
Q35: The mass of a galaxy's central black
Q52: In which spectral sequence are the hottest
Q53: The most easily visible supernova remnant is
Q62: Perigee is the point in _.<br>A) the
Q75: The structure of most galaxies is most