Essay Archive - Neptune
Neptune
Neptune is the outermost planet of the gas giants. It has an equatorial
diameter of 49,500 kilometers (30,760 miles) and is the eighth planet from the
sun. If Neptune were hollow, it could contain nearly 60 Earth's. Neptune
orbits the Sun every 165 years. It has eight moons, six of which were found by
Voyager 2. A day on Neptune is 16 hours and 6.7 minutes. Neptune was
discovered on September 23, 1846 by Johann Gottfried Galle, of the Berlin
Observatory. Neptune got its named from the Roman God of the Sea. Much of what
is know today about Neptune was discovered in 1989 by the U.....
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