February 25, 2017

Homework Help: Science

Posted by luca on Friday, January 9, 2009 at 7:00pm.

Do you know how big the Sun is? The Sun is 400 times as big as the Moon and 400 times as far away.

The Moon: 2.5mm diameter

a) How big would the Sun be if the Moon were the size shown above?
b) The Sun is actually about 865,000 miles in diameter, so 1 cm of the model represents how many miles?
c) The Moon is about 250,000 miles away from the Earth. To the nearest centimetre, how far would it be from the Earth in our scale model?
d) In this model, how far away from the Earth would the Sun be?

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