Hubble finds evidence of water vapour at Jupiter’s moon Ganymede for first time

Evidence of the presence of the water vapor in the atmosphere around Jupiter's moon Ganymede has been found, a study of findings by Hubble telescope was published in the journal 'Nature Astronomy'.

New Delhi: The Hubble Space Telescope has gleaned evidence of the presence of the water vapor in the atmosphere around Jupiter's moon Ganymede, the largest moon in our solar system, a study on their findings was published on Monday in the journal 'Nature Astronomy'. The water vapor is formed during the process called sublimation - when the icy surface of the moon turns from a solid to a gas. Astronomers uncovered this water vapor while using a combination of new and archival observations from Hubble. According to earlier research, Ganymede contains more water than all of Earth's oceans put together, although the moon is 2.4 times smaller than our planet.