Io Facts - Science@NASA
WEBIo can develop 400,000 volts across itself and create an electric current of 3 million amperes. This current takes the path of least resistance along Jupiter's magnetic field lines to the planet's surface, creating lightning in Jupiter's upper atmosphere.
Io (moon) - Wikipedia
WEBIo orbits Jupiter at a distance of 421,700 km (262,000 mi) from Jupiter's center and 350,000 km (217,000 mi) from its cloudtops. It is the innermost of the Galilean satellites of Jupiter, its orbit lying between those of Thebeand Europa. Including Jupiter's inner satellites, Io is the fifth moon out from Jupiter.
Io: A guide to Jupiter's volcanic moon | Space
WEBOct 26, 2022 · Io — Jupiter's fifth moon — is the most volcanically active body in the solar system. Io's surface is peppered with hundreds of volcanoes, some spewing sulfurous plumes hundreds of miles...
Io | Surface, Volcanoes, & Facts | Britannica
WEBSep 22, 2024 · Io rotates at the same rate that it revolves around Jupiter (1.769 Earth days) and so always keeps the same face to Jupiter. Its nearly circular orbit has an inclination of only 0.04° to Jupiter’s equatorial plane and a radius of about 422,000 km (262,000 miles).
Io - NASA Science
WEBIo’s volcanoes are at times so powerful that they are seen with large telescopes on Earth, and Io even has lakes of molten silicate lava on its surface. Only slightly larger than Earth’s Moon, Io is about one-quarter the diameter of Earth itself. Get the Facts.
Very High Resolution View of Io's Surface
WEBOct 26, 2000 · 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 moon Io, 5 to 6 meters (16 to 20 feet) per picture element.
Io, Jupiter’s chaotic volcano moon | The Planetary Society
WEBSurface 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 (6×10 9 cubic miles) Gravity: 1.796 m/s 2. Solar day: 42.5 hours. Solar year: About 12 Earth years. Atmosphere: Very thin; primarily sulfur dioxide. Missions to Io.
This is our best look yet at Io, the solar system's most volcanic …
WEBJul 18, 2019 · A volcanic plume erupts from the surface of Io, Jupiter's third largest moon and the most geologically active body in the solar system, in a picture taken by the Galileo spacecraft.
Global image of Io (true color) - NASA Jet Propulsion Laboratory …
WEBAug 27, 1999 · NASA's Galileo spacecraft acquired its highest resolution images of Jupiter's moon Io on 3 July 1999 during its closest pass to Io since orbit insertion in late 1995. This color mosaic uses the near-infrared, green and violet filters (slightly more than the visible range) of the spacecraft's camera and approximates what the …
Global Image of Io (True Color) - NASA Science
WEBAug 27, 1999 · Global Image of Io (True Color) NASA's Galileo spacecraft acquired its highest resolution images of Jupiter's moon Io on 3 July 1999 during its closest pass to Io since orbit insertion in late 1995.