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Stars in the disks of spiral galaxies have orbits that are
Obstacles
Barriers or hurdles that impede progress or achievement in any endeavor.
Cherokee Nation
A sovereign tribal government of the Cherokee people, native to the southeastern United States, with a complex history of displacement, survival, and legal battles for their rights and land.
Creek
A Native American people historically inhabiting the southeastern United States, renowned for their rich cultural heritage, including their art, rituals, and governance structures.
Q7: Redshift z = v<sub>r</sub>/c, where v<sub>r</sub>
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Q70: The motion and chemical composition of stars
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Q83: Which of these statements about galaxy clusters