安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- In Depth | Uranus Moons – NASA Solar System Exploration
All of Uranus's inner moons (those observed by Voyager 2) appear to be roughly half water ice and half rock The composition of the moons outside the orbit of Oberon remains unknown, but they are likely captured asteroids
- Planet Compare - NASA Solar System Exploration
NASA’s real-time science encyclopedia of deep space exploration Our scientists and far-ranging robots explore the wild frontiers of our solar system
- RPS 3D Viewer - NASA Solar System Exploration
NASA’s real-time science encyclopedia of deep space exploration Our scientists and far-ranging robots explore the wild frontiers of our solar system
- In Depth | Our Solar System - NASA Solar System Exploration
Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids
- In Depth | Moons – NASA Solar System Exploration
In the outer solar system, the gas giants Jupiter and Saturn and the ice giants Uranus and Neptune have dozens of moons As these planets grew in the early solar system, they were able to capture smaller objects with their large gravitational fields
- Uranus 3D Model - NASA Solar System Exploration
You are using an outdated browser Please upgrade your browser to improve your experience
- In Depth | Oberon – NASA Solar System Exploration
Oberon is the second largest moon of Uranus Discovered in 1787, little was known about this moon until Voyager 2 passed it during its flyby of Uranus in January 1986 Oberon is heavily cratered―similar to Umbriel―especially when compared to three other moons of Uranus: Ariel, Titania and Miranda
- Fifteenth Anniversary of Voyager 2 Flyby of Uranus in 1986
The first unmanned space probe flyby in history of the planet Uranus by Voyager 2 on January 24, 1986 should have been an exciting one in the history of planetary exploration
|
|
|