Phoebe is roughly spherical and has a diameter of 213±1.4 km (132 mi), approximately one-sixteenth that of the Moon. It is Saturn's ninth-largest moon, but it might be the eighth-most massive. Hyperion, another one of Saturn's moons, has a larger radius, but is less massive than Phoebe. Phoebe rotates … Visa mer Phoebe is the most massive irregular satellite of Saturn with a mean diameter of 213 km (132 mi). It was discovered by William Henry Pickering on March 18, 1899 from photographic plates that had been taken starting on 16 … Visa mer Discovery Phoebe was discovered by William Henry Pickering on 17 March 1899 from photographic plates that had been taken starting on 16 … Visa mer Phoebe formed in the Kuiper belt within three million years after the origin of the Solar System. This was early enough that sufficient radioactive material was available to melt it into a sphere and stay warm enough to have liquid water for tens of millions of years. Visa mer • Moons of Saturn Visa mer Phoebe's orbit is retrograde; that is, it orbits Saturn opposite to Saturn's rotation. For more than 100 years, Phoebe was Saturn's outermost … Visa mer Unlike Saturn's other moons, Phoebe was not favorably placed for the Voyager probes. Voyager 2 observed Phoebe for a few hours in September 1981. In the images, taken from a distance of 2.2 million kilometres at low phase angle, the size of Phoebe was … Visa mer • Phoebe Profile at NASA's Solar System Exploration site • Cassini–Huygens Multimedia: Images: Moons: Small Moons Visa mer Webb1) The Moon is a dusty ball of rock, measuring 3,476km in diameter – that’s roughly a quarter of the size of Earth. 2) Its surface is home to mountains, huge craters and flat …
In Depth Iapetus – NASA Solar System Exploration
WebbPhoebe is slightly irregular, which means that it is not perfectly round like a ball. It has an average diameter of 213 km. This means that the Earth's moon is 15 times bigger than … Webb1 nov. 2016 · If Phoebe was the goddess of the moon, she would have enjoyed some beneficial powers, such as being able to fly, the ability to … income tax rates company
Phoebe (moon), a satellite of Saturn, becomes first to be di The ...
WebbRoughly spherical and about 210 km (130 miles) in diameter, Phoebe has a mean distance from Saturn of about 12,952,000 km (8,050,000 miles), which is several times farther … WebbPhoebe is the name of a medium-sized moon of Saturn . An American astronomer named William Henry Pickering discovered Phoebe in 1898. The name "Phoebe" comes from Greek mythology. In the Greek myths , Phoebe was the daughter of Uranus and Gaia and the grandmother of Apollo and Artemis. Phoebe has a diameter of 220 km (137 miles). Webb19 dec. 2024 · Saturn's third largest moon, Iapetus has a mean radius of 457 miles (736 kilometers) and a density only 1.2 times that of liquid water. It has been suggested that Iapetus (like Rhea) is three quarters ice and … income tax rates for 22-23