NEPTUNE
Neptune Facts:
Neptune is the eighth and outermost planet in the solar system.
Neptune is a gas giant. It is the fourth-largest planet by diameter and the third-largest by mass. Neptune’s mass is 17 times that of the Earth.
Neptune is named after the Roman god of the sea.
Neptune has an atmosphere of mostly hydrogen and helium. There are also traces of methane, which give Neptune its blue appearance.
On Neptune’s surface, there are violent wind gusts as high as 1,500 mph.
Neptune was discovered on September 23, 1846 by Urbain Le Verrier and John Couch Adams.
Neptune likely has a core consisting of molten rock and various metals, surrounded by a soup of rock, ammonia, water, and methane.
Neptune is very cold; with surface temperatures around −220 °C.
