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January 25, 2015

January 25, 2015

Posted by **Aly** on Monday, October 10, 2011 at 9:10pm.

- science -
**Steve**, Tuesday, October 11, 2011 at 12:08amI think your star/galaxy sizes are mistyped.

- science -
**Aly**, Wednesday, October 12, 2011 at 12:50pmAn average diameter of a star is approximately 1 X 10^9 m and an average diameter of a galaxy is 1 X 10^21 m. Considering the given data, apply a sense of scale calculation to determine if when a galaxy’s diameter is scaled down to the length of Manhattan (21.6 km long), would the star be larger or smaller then you?

this is what i meant

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