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    4. how big is the moon
    how big is the moon

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    0  Views: 653 Answers: 2 Posted: 11 years ago
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      The Moon is just under 3,500 kilometres (km) wide. This means the Moon is not very small compared to Earth. So the Earth and Moon together are sometimes called a binary or double planet system.

      11 years ago. Rating: 3
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        The Moon is approximately 1/4 of Earth's diameter, 1/80th of Earth's mass and 1/50th of Earth's volume. Its gravity is about 1/6th of Earth's.
        The Moon has an equatorial diameter of 2,160 miles (3476 km). Other measurements include:Equatorial radius is 1,738.14 km or 1,080 milesEquatorial circumference is 10,921 kmSurface area is 3.793 x 107 km2Volume is 2.195 8 × 1010 km3Mass is 7.734 x 1022 kgGravity is 1.622 m/s2.


        Source:http://wiki.answers.com/Q/How_big_is_the_moon

        11 years ago. Rating: 3
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