Disk galaxies, like our own Milky Way galaxy, commonly consist of both a thick and thin disk of stars--each with different features, including stellar population and movement. Three major theoretical scenarios have been proposed to explain the formation mechanisms and timing of thick and thin disks.
Disk galaxies, like our own Milky Way galaxy, commonly consist of both a thick and thin disk of stars--each with different features, including stellar population and movement. Three major theoretical scenarios have been proposed to explain the formation mechanisms and timing of thick and thin disks.
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