Sep 16, 2020

Hubble Just Confirmed The Largest Ocean World in Our Solar System And Its Not On Earth

NASA’s Hubble Space Telescope has the strongest evidence yet of an underwater saltwater ocean on Ganymede, Jupiter’s biggest moon. According to NASA, the underground ocean is thought to possess more water than any sea on Earth’s surface. Identifying liquid water is crucial to the quest for habitable worlds beyond Earth and to the hunt for life as we know it.

NASA’s Hubble Space Telescope has the strongest evidence yet of an underwater saltwater ocean on Ganymede, Jupiter’s biggest moon. According to NASA, the underground ocean is thought to possess more water than any sea on Earth’s surface. Identifying liquid water is crucial to the quest for habitable worlds beyond Earth and to the hunt for life as we know it.
Ganymede is the biggest moon in our solar system and the only moon with its own magnetic field. The magnetic field induces aurorae, which are ribbons of bright, heated electrified light, in the parts of the north and south poles of the world. Since Ganymede is adjacent to Jupiter, it is also trapped in the magnetic field of Jupiter.

When Jupiter’s magnetic field alters over time, the aurorae on Ganymede also change, “rocking” back and forth.

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