From Earth they had not even been observed by Hubble, only by the Voyager 2 probe in 1989
That Neptune had the rings it was known, they were also observed in 1989 by the probe Voyager 2but they had never been seen so well from Earth. The James Webb Space Telescope is revolutionizing astronomy and has managed to take the infrared image of the faint rings of Neptune and seven of its 14 satellites with the onboard instrument NirCam.
The farthest
Neptune is the farthest planet in the Solar System (since Pluto was downgraded to the rank of a dwarf planet) at a distance thirty times greater than that of the Earth from the Sun and takes 164 years to complete one orbit. In the image taken there is a large vortex in the southern hemisphere of the planet, which had already been noticed but not with this detail. Like Jupiter, Saturn and Uranus, Neptune is also a gaseous planet, the atmosphere composed largely of frozen methane.
September 21, 2022 (change September 21, 2022 | 18:02)
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