In this article we will give you a collection of facts about the planet Neptune.
Neptune is the eighth and farthest planet from the Sun. In the Solar System, it is the fourth largest planet by diameter. It is 17 times the mass of Earth, slightly bigger than Uranus.
The planet orbits the Sun once every 164.8 years at an average distance of 30.1 AU. It is named after the Roman god of the sea and has the astronomical symbol ♆, a version of the god Neptune’s trident.
Various Neptune facts
Neptune was discovered by Urbain Le Verrier and Johann Galle in 1846.
It is the farthest planet from the sun in our solar system.
Neptune is the densest of the gaseous planets in our solar system.
It is named after Neptune, the Roman god of the sea.
Neptune’s mass is 102,410,000,000,000,000 billion kg, which is equal to 17.15 x the mass of Earth.
Neptune’s equatorial circumference is 155600 km.
Neptune has a radius of 24764 km.
Neptune has a diameter of 49.244 km.
Neptune has 14 known moons.
The most notable moon is Triton.
Triton orbits in the opposite direction that Neptune rotates.
Triton is the coldest known object in the Solar System.
Neptune is the fourth-largest planet in the Solar System.
Neptune is the smallest of the gas giants.
It takes Neptune 164.8 Earth years to orbit the Sun.
The stormiest planet in our solar system is Neptune.
Wind speeds on Neptune may reach up to 1324 miles per hour.
Neptune’s average surface temperatures are about -214 degrees Celsius.
The atmosphere on Neptune is made up of helium, methane and hydrogen.
Particles of icy methane and minor gases in the atmosphere give Neptune its blue colour.
The inner core of the planet is made of rock.
The mantle is composed of water, ammonia and methane.
The mantle is between ten to fifteen times the mass of the Earth.
The core of Neptune is about 1.5 times the size of Earth.
Neptune has the second largest gravity of any planet.
Neptune has a powerful magnetic field.
The magnetic field is 27 times stronger than Earth.
Neptune possesses a ring system.
These rings are very faint.
Neptune has a storm called the Great Dark Spot.
The dark spots are short lived.
In 1989, the Voyager 2 spacecraft flew past the planet.
The orbit path of Neptune is about 30 astronomical units from the Sun.
Neptune rotates very quickly , with a rotational period of a little over 16 hours.
Neptune has the third shortest day in the Solar System.
It is not possible to see Neptune with the naked eye.
