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Glimpses of a volcanic world: New telescope images of Jupiter's moon Io rival those from spacecraft

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Images of Jupiter 's volcano-studded moon Io offer the highest resolution of Io ever achieved with an Earth -based instrument.

Observations were made possible by a new high-contrast optical imaging instrument, dubbed SHARK-VIS.

The images reveal surface features as small as 50 miles across, a spatial resolution that until now had been achievable only with spacecraft sent to Jupiter .

Io 's volcanic activity was first discovered in 1979 , when Linda Morabito , an engineer on NASA 's Voyager mission, spotted an eruption plume in one of the images.

SHARK-VIS is particularly suited to observing surfaces of many solar system bodies.

The instrument scientist says he anticipates new observations to be made of objects throughout the solar system.

The data is processed using a software package called Kraken , developed by Georgia State University .

It removes atmospheric effects, revealing Io in incredible sharpness.

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