Neptune is 17 times the mass of Earth, slightly more massive than its near-twin Uranus. Neptune is physically smaller than Uranus and thicker because its mass causes gravitational …

The bright blue diffraction star is Triton, Neptune's largest moon; while Hippocamp, its smallest regular moon, is too small to be seen.

Below is a list of moons in the solar system, based on size. This list features natural satellites from each planet. Non-direct measurements of moons, especially small and far away moons can …

2013年7月10日 · (Why the uncertain number? Neptune’s moon Proteus is on the edge.) They are shown here to scale with each other. Two of them are larger than Mercury; seven are larger …

2024年8月31日 · This video shows the size and orbit comparison of all moons of Neptune.Subscribe!Music:Dance, Don't Delay by Twin Musicom is licensed under a Creative …

Neptune is the planet in the solar system that is farthest from the Sun; it has 14 known moons. The largest by far is Triton, which is nearly the size of Earth’s Moon. Triton is the only large …

2013年7月15日 · Dimensions The physical size of the object or the apparent angle it subtends on the sky. Neptune has a diameter of roughly 30,800 miles (49,600 kilometers) at the equator. ...

Planet Neptune has 14 moons. Triton, the largest moon, is a captured dwarf planet that is larger than Pluto. Triton at magnitude 13.4 can be viewed in a medium-to-large telescope. Neptune's …

2025年1月17日 · Neptune has 16 known moons, including the largest moon, Triton, which was spotted Oct. 10, 1846 – just 17 days after Neptune was discovered.

Triton is Neptune’s largest moon and is the only large moon in the solar system to orbit in the opposite direction to its planet’s rotation, this is known as a retrograde orbit. Triton size …