NASA probe finds indication of another possible volcano on Jupiter’s moon Io

Federico Mansilla
Julio 17, 2018

"We do not exclude the movement or modifications to previously identified hot spots, but it is hard to imagine that it could overcome such a distance and not change", said researcher Alessandro Mura of the team that works with Juno.

Scientists have discovered yet another possible volcano on the small moon of Jupiter.

Images captured by Juno's Jovian InfraRed Auroral Mapper (JIRAM) instrument in the infrared reveal a hot spot detected December 16, 2017, when the probe came within 290,000 miles (470,000 kilometers) of the innermost Galilean moon. The data points toward a new heat source on the moon "Io".

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The Juno space probe has discovered a new source of heat near the South pole of Jupiter's moon IO, NASA said in a statement. According to experts, this could mean Io has an active volcano. Previous mission studies by NASA, which visited the Jupiter system and ground-based observations have discovered on IO 150 active volcanoes.

Infrared data were collected on 16 December 2017, when Juno was at a distance of about 470,000 miles from the satellite. Juno has logged almost 235 million kilometres since entering Jupiter's orbit on July 4, 2016.

The color-enhanced image was taken at 11:31 p.m. PDT on May 23, 2018 (2:31 a.m. EDT on May 24), as the spacecraft performed its 13th close flyby of Jupiter. Future flybys are expected to come even closer to both the cloud tops and to Io. Her writings have been published online in The Atlantic, Astronomy magazine's guest blog section, the UK Space Conference, the 2009 IAU General Assembly newspaper, The Space Reporter, and newsletters of various astronomy clubs.

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