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When Voyager 1 completed its Jupiter encounter in early April 1979, it had taken over 18,000 photographs. The images exceeded the best taken from Earth and showed a brightly banded planet. Astronomers had studied Jupiter from Earth for several centuries, however, scientists were surprised by many of Voyager's findings. Images and data returned from Voyager 1 provided important physical, geological, and atmospheric information. Most surprisingly, Voyager 1 showed that Jupiter's moon Io, was actively volcanic.
New Horizons is the seventh NASA mission to Jupiter. The probe is actually intended to explore Pluto, but took advantage of the gas giant's gravity as a slingshot to the outer solar system. In February 2007, New Horizons photographed Jupiter and its volcanic moon Io. The images returned show a major eruption of volcano Tvashtar. Incandescent lava glows red beneath a 330-kilometer high volcanic plume, illuminated by sunlight.
New Horizons is the seventh NASA mission to Jupiter. The probe is actually intended to explore Pluto, but took advantage of the gas giant's gravity as a slingshot to the outer solar system. In February 2007, New Horizons photographed Jupiter and its volcanic moon Io. The images returned show a major eruption of volcano Tvashtar. Incandescent lava glows red beneath a 330-kilometer high volcanic plume, illuminated by sunlight.
