A1) Classify the following galaxies according to their Hubble types: i) An elliptical galaxy with an ellipticity of e= 0.6. (a) E0 (b) E4 (c) E6 ii) A galaxy with a bulge, a disc, a bar, and no evident spiral arms. [a] SO (c) Sa (b) SBO ii) A spiral with a pitch angle of 6 degrees. (a) SBa (c) Sa (b) Sc

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A1) Classify the following galaxies according to their Hubble types:
i) An elliptical galaxy with an ellipticity of e = 0.6.
[a] E0
(b) E4 (c) E6
ii) A galaxy with a bulge, a disc, a bar, and no evident spiral arms.
[a] SO
[b) SBO
[c) Sa
ii) A spiral with a pitch angle of 6 degrees.
[a] SBa
[b) Sc
(c) Sa
Transcribed Image Text:A1) Classify the following galaxies according to their Hubble types: i) An elliptical galaxy with an ellipticity of e = 0.6. [a] E0 (b) E4 (c) E6 ii) A galaxy with a bulge, a disc, a bar, and no evident spiral arms. [a] SO [b) SBO [c) Sa ii) A spiral with a pitch angle of 6 degrees. [a] SBa [b) Sc (c) Sa
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