Heliocentric System
NEPTUNE
-
Position and Distance: Neptune is the eighth and farthest planet from the Sun in our solar system, located about 4.5 billion kilometers (2.8 billion miles) away from the Sun. It takes approximately 165 Earth years for Neptune to complete one orbit around the Sun.
-
Composition and Atmosphere: Neptune is an ice giant planet composed mainly of hydrogen, helium, and ices such as water, methane, and ammonia. Its atmosphere contains a high proportion of methane, which gives it a striking blue color. The presence of methane absorbs red light and reflects blue light, resulting in its distinct appearance.
-
Moons and Rings: Neptune has a system of rings and a collection of moons. The most notable moon is Triton, which is the seventh-largest moon in the solar system and the only large moon in the solar system to orbit in the opposite direction of its planet's rotation. Neptune has a total of 14 known moons, including Nereid, Proteus, and Larissa