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If the distance to a star is 450 light-years, what can we conclude about the star?

blakenordgaard

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3 weeks ago

If the distance to a star is 450 light-years, what can we conclude about the star?

If the distance to a star is 450 light-years, what can we conclude about the star?

▸

The star is 450 million AU away.

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The star's light takes 450 years to reach us.

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The star must have formed 450 billion years ago.

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The star must be very young.

Textbook

ASTRO

ASTRO

Edition: 3^rd

Authors: Ghose, Milosevic-Zdjelar, Read

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aedukuye

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blakenordgaard Author

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3 weeks ago

Good timing, thanks!

kevin12323h

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Yesterday

I appreciate what you did here, answered it right Smiling Face with Open Mouth

Smiling Face with Open Mouth

jbarnett14

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2 hours ago

Smart ... Thanks!

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