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vanessavz vanessavz
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A month ago

Our Sun takes about 210 million years to orbit the galaxy. About how long do disk stars orbiting twice as far away from the centre take to complete one orbit?



150 million years



210 million years



420 million years



594 million years

Textbook 
ASTRO

ASTRO


Edition: 3rd
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ryan_navarro5ryan_navarro5
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A month ago
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vanessavz Author
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A month ago
You make an excellent tutor!
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I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Thanks for your help!!
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