1Neptune



Planets : Is a large, round heavenly body that orbits a star and shins with light reflected from the star.

Neptune : Was first discovered on September 23, 1846 by Johann Galle Named after the Roman god of the Sea. Neptune is made of hydrogen, helium, water, silicates. Every 248 years Pluto moves inside Neptune's orbit, along with Neptune's 11 moons. Pluto will stay in Neptune's orbit for at least 20 years (last orbit 1979-1999). Neptune is 30,755 in diameter with being 2,793,100 miles from the Sun. Neptune tilts on axis at 28 degrees giving the northern and southern hemisphere alternate seasons. Neptune has a frozen methane surface to which gives Neptune its blue color. Neptune also has wind speeds of 700 mph.

media type="google" key="-8746701663054744154&hl=en&fs=true" width="400" height="326" Neptune's orbit is almost perfectly circular; only Venus has a more circular orbit. Sometimes Neptune is further away than the Sun than Pluto in Neptune's orbit.

Interesting Facts about Neptune :
 * 1) One day on Neptune is 16 Earth hours
 * 2) Neptune takes 165 Earth years to revolve around the Sun.
 * 3) Neptune has several dark spots, one the size of the Earth, Which spin around Neptune at 1200 mph.
 * 4) Neptune's moon Triton orbits in the opposite direction as Neptune's orbit.
 * 5) Voyager is the only space craft to visit Neptune.



Triton

The Moons of Neptune : media type="custom" key="3472886" Rings of Neptune
 * = Name ||= Date of Discovery ||= Distance from Neptune in Miles ||= Size in miles ||
 * = Naiad ||= 1989 ||= 14,579 ||= 19 ||
 * = Thalassa ||= 1989 ||= 15,727 ||= 25 ||
 * = Despina ||= 1989 ||= 17,250 ||= 47 ||
 * = Galated ||= 1989 ||= 23,108 ||= 50 ||
 * = Larissa ||= 1989 ||= 30,313 ||= 65 x 55 ||
 * = Proteus ||= 1989 ||= 57,716 ||= 135 x 125 ||
 * = Triton ||= 1846 ||= 205,058 ||= 841 ||
 * = Nereid ||= 1949 ||= 3,410,637 ||= 106 ||

Related Links : [] [] References :
 * 1) (Encyclopedia) 'World Book N-O'. Bradford A. Smith, WorldBook, Chicago, 2007
 * 2) (Book) 'Worlds Beyond: Uranus and Neptune'., Ron Miller., twenty-first century books., Brookfield, CT., 2003
 * 3) (Website) Smith, Bradford A. "Neptune." World Book Online Reference Center. 2004. World Book, Inc.
 * 4) (Other) 'The Illustrated Encyclopedia of the Universe'., Watson Guptill., New York, 2001