FP TrendingJul 24, 2020 13:54:14 IST
National Aeronautics and Space Administration's (NASA) Juno spacecraft has taken the first images of Jupiter's moon Ganymede's icy north pole. In the process, it has also produced the first infrared mapping of the region.
The space agency shared the image on Twitter, alongside the caption, "For the first time ever, @NASAJuno imaged the north pole of the largest moon in the solar system: Jupiter's moon Ganymede."
According to a statement by NASA, the infrared image was captured by the spacecraft's Jovian Infrared Auroral Mapper (JIRAM) instrument when it was inbound for a flyby of Jupiter on 26 December 2019.
JIRAM clicked 300 infrared images during its closest approach when it was just 62,000 miles away from the planet.
— NASA JPL (@NASAJPL) July 23, 2020
According to the statement, Ganymede is the only moon in the solar system with its own magnetic field. The image highlights how the ice at and surrounding Ganymede's north pole has been modified by the precipitation of plasma. Alessandro Mura, a Juno co-investigator at the National Institute for Astrophysics in Rome added, "It is a phenomenon that we have been able to learn about for the first time with Juno because we are able to see the north pole in its entirety."
The statement adds that the revelations by Juno and JIRAM will benefit further missions to Jupiter. Giuseppe Sindoni, program manager of the JIRAM instrument for the Italian Space Agency added, "These data are another example of the great science Juno is capable of when observing the moons of Jupiter."
Ganymede is the largest moon in our solar system, larger even than the planet Mercury. It was discovered by Galileo Galilei on 7 January 1610 along with three other Jovian moons. These were the first moons found to orbit a planet other than Earth.
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