Explanation: How big is the Jovian moon Io? The most volcanic body in the Solar System, Io (usually pronounced "EYE-oh") is 3,600 kilometers in diameter, about the size of planet Earth's single large natural satellite. Gliding past Jupiter at the turn of the millennium, the Cassini spacecraft captured this awe inspiring view of active Io with the largest gas giant as a backdrop, offering a stunning demonstration of the ruling planet's relative size. Although in the picture Io appears to be located just in front of the swirling Jovian clouds, Io hurtles around its orbit once every 42 hours at a distance of 420,000 kilometers or so from the center of Jupiter. That puts it nearly 350,000 kilometers above Jupiter's cloud tops, roughly equivalent to the distance between Earth and Moon. The Cassini spacecraft itself was about 10 million kilometers from Jupiter when recording the image data.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: cassini spacecraft - KA Kassini - Jupiter - Io - Io - Yupiter Publikacii so slovami: cassini spacecraft - KA Kassini - Jupiter - Io - Io - Yupiter
Sm. takzhe: Pogruzhenie v Yupiter Kometa, planeta, Luna Periiovii 16: proletaya nad Yupiterom Planety i polnoe zatmenie Yupiter za 2 chasa 30 minut Polumesyac Encelada Yupiter okolo protivostoyaniya: stereofotografiya Vse publikacii na tu zhe temu >>