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In this document, I will be talking about my most favorite planet, Neptune.
Neptune is the eighth planet from the Sun. It has an Equatorial Diameter of 49,528 km and has 14 moons. This planet was discovered on September 23rd, 1846 by astronomer Johann Gottfried Galle at the Berlin Observatory. Neptune has striking blue and white features which is what makes it different from other planets.
Neptune has an incredibly thick atmosphere comprised of 74% hydrogen, 25% helium and approximately 1% methane. Its atmosphere also contains icy clouds and the fastest winds recorded in the solar system. Neptune is known to be very cold and has an average temperature of -214 °C. Neptune surprisingly has 5 rings. Neptune has a very thin collection of rings. They are likely made up of ice particles mixed with dust grains and possibly coated with a carbon-based substance.
So far Only one spacecraft has flown by Neptune.
In 1989, the Voyager 2 spacecraft swept past the planet. It returned the first close-up images of the Neptune system. The NASA/ESA Hubble Space Telescope has also studied this planet, as have a number of ground-based telescopes.
Written by Soviet Alexander Keefe. 03/09/2018
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