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Classifying and Measuring
M51
Filipa Cruz
M51
Constellation: Canes Venatici
Right ascension: 13h 29m 52.7s
Declination: +47° 11′ 43″
Distance: 23 ± 4 Mly
Size (diam...
M51 Classification
Hubble’s classification of galaxies divides regular galaxies into 3 broad classes:
ellipticals , lentic...
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