Asked by Effa
Arrange the following galaxies in order of decreasing size: spiral, giant elliptical, dwarf elliptical, and irregular
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Ordered from largest to smallest: giant elliptical → spiral → irregular → dwarf elliptical.
Typical sizes: giant ellipticals can reach hundreds of kiloparsecs (cD galaxies), spirals are tens of kpc (Milky Way ≈ 30 kpc), irregulars are generally a few to ~10 kpc, and dwarf ellipticals are only a few kpc or less.
Typical sizes: giant ellipticals can reach hundreds of kiloparsecs (cD galaxies), spirals are tens of kpc (Milky Way ≈ 30 kpc), irregulars are generally a few to ~10 kpc, and dwarf ellipticals are only a few kpc or less.
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