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Floor-penetrating radar will search our bodies of water on Jupiter

April 19, 2024
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Floor-penetrating radar will search our bodies of water on Jupiter
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Discovering water on distant planets and moons in our photo voltaic system is a problem, particularly when the instrument is 1000’s of kilometers away from the floor, however scientists presenting on the European Geosciences Union Normal Meeting describe how ground-penetrating radar is used to find our bodies of water beneath the floor of distant planets and they’re on their approach to Jupiter.

The primary clue for locating life on different planets is discovering liquid water. The moons of Saturn and Jupiter like Enceladus, Ganymede, Europa, and Callisto are suspected of holding oceans of liquid water beneath icy crusts. Equally, some exoplanets past our photo voltaic system possible host liquid water, essential for habitability. However detecting water, once we cannot bodily entry these celestial our bodies, poses challenges. Ice-penetrating radar, a geophysical device, has confirmed able to detecting liquid water on Earth and beneath Mars’ South polar cap.

Now, this instrument is aboard the JUICE spacecraft and it’s on its approach to Jupiter’s icy moon Ganymede and also will be aboard the Europa Clipper spacecraft, which will likely be launched to Europa later this 12 months. What can we anticipate to be taught from these missions and the way can we use ice-penetrating radar for future planetary exploration? Dr. Elena Pettinelli of Roma Tre College, with intensive expertise in planetary exploration utilizing ice-penetrating radar, will delve into the utility of this expertise in her presentation subsequent week on the European Geosciences Union Normal Meeting EGU24.

Dr. Pettinelli, who was a part of the group that found a subglacial secure physique of liquid water on Mars, will hint the historic functions of ice-penetrating radar in planetary exploration earlier than she dives into potential makes use of of ice-penetrating radar in finding and characterizing liquid water.

Scientists hope to make use of ice-penetrating radar to find out the depth and chemistry of water beneath the icy floor of Jovian moons. Dr. Pettinelli explains that the radar’s penetration depth correlates with ice salinity; saltier ice impedes radar transmission to a larger extent. “Relying on the habits of the radio waves, we’d be capable to higher inform the distribution of salt,” she says, which her group then ground-truths by way of laboratory experiments.

“We will use all this data to enhance our understanding of the distribution of liquid water within the photo voltaic system,” Dr. Pettinelli says. “There’s way more water than we thought 20 or 30 years in the past, and it is actually fascinating to make use of this system to attempt to perceive the place the water may very well be.”

Extra data:
Elena Pettinelli, In seek for liquid water utilizing radio waves: from Earth to the icy moons of Jupiter, (2024). DOI: 10.5194/egusphere-egu24-18640

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European Geosciences Union


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Unraveling water mysteries past Earth: Floor-penetrating radar will search our bodies of water on Jupiter (2024, April 19)
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