Space.com indicates that Neptune's diameter of 15,299 miles is fourth longest among the planets. At 102 trillion trillion kilograms, Neptune has the third-highest mass of the eight planets in the solar system. However, it was one of the last planets discovered because it is the farthest from the sun.
Cool Cosmos notes that Neptune's volume is 57.7 times that of Earth. Neptune has a large surface area of 2.9 billion square miles, though it consists of water and ice rather than solid ground. Because of its gas atmosphere and liquid surface, Neptune has a modest density of 1.638 grams per cubic centimeter.Learn More
The average temperature on Neptune is -373 degrees Fahrenheit. Neptune is, on average, 2.8 billion miles from the sun, making it the eighth planet from the sun, which is one reason this planet is so cold.Full Answer >
The average temperature on Neptune is minus 392 degrees Fahrenheit, according to NASA. Neptune is the farthest major planet in Earth's solar system from the Sun, and it is about 30 times farther from the Sun than Earth, resulting in drastically low temperatures.Full Answer >
According to NASA, gravity is the reason why planets are round. Gravity causes any matter to attract toward any other matter. When planets began to form, the earth’s solar system was one big swirling disk that contained dust and gas, with the sun at its center. Particles of dust and gas pulled toward each other due to gravity.Full Answer >
The eight planets of the solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. The four inner planets are terrestrial worlds, while the outer solar system consists of four gas giants sometimes known as the Jovian planets.Full Answer >