What Is The Surface of Neptune Like? - Universe Today
2016年4月20日 · Astronomers have calculated winds blasting across the surface of Neptune at 2,100 km/hour. Deep down inside Neptune, the planet might have an actual solid surface.
Neptune Facts - Science@NASA
Neptune does not have a solid surface. Its atmosphere (made up mostly of hydrogen, helium, and methane) extends to great depths, gradually merging into water and other melted ices over a …
Neptune - Wikipedia
Compared to its fellow ice giant Uranus, Neptune is slightly more massive, but denser and smaller. Being composed primarily of gases and liquids, [21] it has no well-defined solid …
In Depth | Neptune – NASA Solar System Exploration
Neptune does not have a solid surface. Its atmosphere (made up mostly of hydrogen, helium, and methane) extends to great depths, gradually merging into water and other melted ices over a …
Neptune | Planet, Moons, Rings, Temperature, Mass, Diameter,
2024年12月14日 · Like the other giant planets, Neptune consists primarily of hydrogen, helium, water, and other volatile compounds, along with rocky material, and it has no solid surface. It …
What is the surface of Neptune like? - Phys.org
2016年4月22日 · Neptune's "surface" can therefore be said to be composed of about 80% hydrogen and 19% helium, with a trace amount of methane. The surface layer is also …
Neptune Fact Sheet - NSSDCA
2024年10月3日 · Surface Pressure: >>1000 bars Temperature at 1 bar: 72 K (-201 C) Temperature at 0.1 bar: 55 K (-218 C) Density at 1 bar: 0.45 kg/m 3 Wind speeds: 0-580 m/s …
What Is The Surface Terrain Like On Neptune? - Sciencing
2017年4月24日 · Neptune is classified as one of our solar system's "gas giant" planets, meaning it does not have a solid surface and is largely a collection of swirling clouds and gas. The blue …
Neptune: A guide to the windy eighth planet from the sun
2023年4月17日 · Neptune is the fourth largest planet in the solar system, with a radius of 15,599.4 miles (24,622 kilometers) — the distance between its core and the surface. However, Neptune …
Incredible Neptune surface facts - Orbital Today
2023年8月4日 · The Neptune surface temperature in the uppermost cloud layer is approximately -218 degrees Celsius (-361 degrees Fahrenheit or 55 degrees Kelvin). This makes Neptune the …