Faithlife Corporation


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The moons orbiting the planet Jupiter intrigue scientists. They have discovered another interesting characteristic of the moon Io. Researchers have observed volcanic eruptions on Io for a long time, and presumed they were the result of the gravity Jupiter exerts in the small world. These eruptions create a low-pressure atmosphere around the moon that collapses every day. The atmosphere contains sulfur dioxide and when Io enters Jupiter’s shadow, the temperature of the moon drops so low that the atmosphere cools and actually drops onto the surface. As Io reenters the sunlight, the solid sulfur dioxide turns back into a gas and the atmosphere reappears. Researcher John Spencer of the Southwest Research Institute said, “Though Io’s hyperactive volcanoes are the ultimate source of the (sulfur dioxide), sunlight controls the atmospheric pressure on a daily basis by controlling the temperature of the ice on the surface. We’ve long suspected this, but can finally watch it happen.”—Jim L. Wilson and Jim Sandell

Something crazy happens to Jupiter’s moon Io for 2 hours every day, By Rachel Feltman,, Accessed August 3, 2016.

Psalm 92:5 (HCSB) “How magnificent are Your works, LORD, how profound Your thoughts!”

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