NEPTUNE
Neptune is last official planet of the solar system.
The radius of the Neptune is 24 622 kilometers.
Mass of the Neptune is about 17 times of the earth.
Density of the Neptune is 1.64 g/cm³.
Gravity of the Neptune is 11.15 m/s².
Neptune is one of the gas gaint of solar system. Southern hemisphere of the Neptune had a Great Dark Spot comparable to the Great Red Spot on Jupiter. Strongest sustained winds in this planet recorded 2 100 km/h. One day at Neptune is 16 hours and 6 minutes and one year at Neptune is 165 Earth years (60 190 days).
Because of its great distance from the Sun, Neptune's outer atmosphere is one of the coldest places in the Solar System, with temperatures at its cloud tops approaching 55 K (-218 °C; -361 °F). Temperatures at the planet's centre are approximately 5,400 K (5,100 °C; 9,300 °F). Neptune has a faint and fragmented ring system (labelled "arcs"), which was discovered in 1984, then later confirmed by Voyager 2.
