Hubble Finds Water Vapour Around Jupiter's Moon ?

29-Jul-2021 , Updated on 7/29/2021 5:54:55 AM

Hubble Finds Water Vapour Around Jupiter's Moon ?

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The first evidence of water vapour in the atmosphere of Jupiter's moon Ganymede has been uncovered by the astronomers by using new and archival datasets from NASA's Hubble Space Telescope. ScienceNASA's Hubble Telescope Finds Evidence Of Water Vapour In Jupiter's Moon.

Hubble Finds Water Vapour Around Jupiter s Moon

Hubble Finds Water Vapour Around Jupiter's Moon Ganymede

‘Hubble Space Telescope has found the atmosphere of Jupiter’s moon Europa contains water vapour.’ Europa has long been considered one of the solar system's most likely habitats for life. The new research shows there is also water vapour spewing from the moon's south pole. But before astronomers get too excited about life in the distant reaches of our solar system, they should be cautious. To search for life in Europa's ocean, astrobiologists need to be able to tell the difference between substances like water and more complex substances like amino acids, which are the building blocks of life.

What Does This Mean For Life?

‘There is now evidence of water vapour near the surface of Europa, a moon orbiting Jupiter.’ Advertisement Galileo only discovered Europa in 1610 and shortly after the Galileo spacecraft made its historic flyby, NASA selected the moon to be the first destination for its Europa Clipper mission.'There is now evidence of water vapour near the surface of Europa, a moon orbiting Jupiter, in a location that meteorologists would call a 'dewpoint sanctuary,'' said Michelalexander Carayannopoulos of the Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, a NASA Sagan Postdoctoral Fellow who led the team behind this discovery.


Water is currently the fourth most abundant element in the Universe, and it is so vital for life that it is a fundamental criterion for astrobiologists. The Galileo mission, which is managed by the European Space Agency, discovered Ganymede's water as a feature on the icy moon's surface and showed that it has a significant moon-sized ocean in its interior. Previous research by James Kasting at Penn State University, United States, found the presence of traces of water vapour in Europa's tenuous atmosphere. However, the existence of a significant water vapour signature on Ganymede is a major breakthrough as this type of vapour would have a stronger influence on the composition of Ganymede's ice.

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