Science, Space and Technology News 2024
Jupiter moon Io, imaged by SHARK-VIS on January 10, 2024. This is the highest resolution image of Io ever obtained by an Earth-based telescope. The image combines three spectral bands — infrared, red and yellow — to highlight the reddish ring around the volcano Pele and the white ring around Pillan Patera, to the right of Pele. Credit: INAF/Large Binocular Telescope Observatory/Georgia State University; IRV-band observations by SHARK-VIS/F. Pedichini; processing by D. Hope, S. Jefferies, G.
Taken by the Large Binocular Telescope on Mount Graham in Arizona, the images were made possible by a new high-contrast optical imaging instrument, dubbed SHARK-VIS, and the telescope’s adaptive optics system, which compensates for the blurring induced by atmospheric turbulence. The Large Binocular Telescope in Arizona. The LBTI instrument combines infrared light from both 8.4m mirrors to image planets and disks around young and nearby stars. Credit: D. Steele, Large Binocular Telescope Observatory
A raw image of Io captured by the Juno spacecraft as it flew by the moon on April 9, 2024, rotated so that Io north is up. The reddish ring around Pele at the lower right edge seems to be complete after having been partly obscured by white frozen sulfur dioxide from Pillan Patera in January 2024. At the time this image was taken, Juno was about 10,250 miles above the surface of Io.
“We interpret the changes as dark lava deposits and white sulfur dioxide deposits originating from an eruption at Pillan Patera that partially cover Pele’s red, sulfur-rich plume deposit,” Davies said. “Before SHARK-VIS, such resurfacing events were impossible to observe from Earth.”
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