Most of Io's surface is composed of extensive plains with a frosty coating of sulfur and sulfur dioxide. Io's volcanism is responsible for many of its unique features.

2022年10月26日 · Io's surface is changing at an incredible rate. Volcanic fissures ooze lava onto the moon's surface, filling impact craters and creating new floodplains of liquid rock. While Io's …

2024年12月19日 · Io's active surface is especially apparent in this rendition. Dark spots, some surrounded by or associated with bright orange-red deposits, denote sites of recent volcanism; …

2024年6月3日 · New images of Jupiter’s volcano-studded moon Io, captured by the Large Binocular Telescope on Mount Graham in Arizona, offer the highest resolution of Io ever …

Io facts. Surface temperature: -130 degrees Celsius (-202 degrees Fahrenheit) Average distance from Sun: 5.4 AU. Diameter: 3,640 km (2,260 miles) Volume: 2.53×10 10 cubic kilometers …

Io, the innermost of the four large satellites discovered by Galileo Galilei in 1610, has a mean radius (1821.6 km) and bulk density (3.53 g cm-3 ) comparable to the Moon (An derson et al. …

2023年11月20日 · Now the authors of a new study in Nature Astronomy think they have an answer: they’re placing their bets on “heat engines” buried not too far below Io’s surreal surface.

The surface of Io is dotted with more than 100 mountains – a result of the compression at the base of its crust that uplifted the surface. Some of these peaks are taller than Mount Everest. …

2000年10月26日 · This mosaic of images acquired by NASA's Galileo spacecraft on February 22, 2000, shows the highest resolution view ever obtained of the surface of Jupiter's volcanic …

2022年6月23日 · Not only did Io have no craters, its surface was brilliantly colored in red, orange, yellow, and green. Io proved to be unlike anything else in the solar system. While studying …