Neptün, the eighth planet from the Sun, is known for its striking blue color, which is due to the presence of methane in its atmosphere. It is a gas giant, similar to Jüpiter and Satürn, and has a diameter of about 49,244 kilometers. Neptün has 14 known moons, with the largest being Triton, which is unique for its retrograde orbit. Discovered in 1846, Neptün is located approximately 4.5 billion kilometers from the Sun. It has a strong magnetic field and experiences extreme weather patterns, including the fastest winds in the solar system, reaching speeds of over 2,000 kilometers per hour.