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Set B3 - Out Into Space - card information

18. Neptune

18. Neptune

Neptune has a pale bluish hue. Its mean distance from the Sun is 2,793,000,000 miles. Seen from Neptune, the Sun would appear as large as Venus does when viewed from the Earth, but intensity of the Sun's light would be about a million times greater. Diameter of Neptune is 27,800 miles. Rotation time 15 hrs. 40 mins. Takes 164 years and 7 months to complete its orbit around the Sun travelling at about 12,080 m.p.h. Its orbit is more nearly circular than that of any planet except Venus. Neptune weighs about one 19,314th part of the Sun. Its density is less than half that of the Earth.