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Ganymede is the only satellite in the Solar System known to possess a magnetosphere, likely created through convection within the liquid iron core. The satellite has a thin oxygen atmosphere that includes O, O 2, and possibly O 3. Ganymede's discovery is credited to Galileo Galilei, who observed it in 1610.
The internal structure of Ganymede. Galileo returned to Ganymede on orbits G7 and G9 in April and May 1997, and on G28 and G29 in May and December 2000 on the GMM. [217] Images of the surface revealed two types of terrain: highly cratered dark regions and grooved terrain sulcus. Images of the Arbela Sulcus taken on G28 made Ganymede look more ...
During the G1 flyby in 1996, Galileo instruments detected Ganymede's magnetic field. [116] Data from the Galileo flybys was used to discover the sub-surface ocean, which was announced in 2001. [23] [40] High spatial resolution spectra of Ganymede taken by Galileo were used to identify several non-ice compounds on the surface. [52]
The discovery was announced in the Sidereus Nuncius ("Starry Messenger"), published in Venice in March 1610, less than two months after the first observations. On 12 March 1610, Galileo wrote his dedicatory letter to the Duke of Tuscany, and the next day sent a copy to the Grand Duke, hoping to obtain the Grand Duke's support as quickly as ...
Khensu crater is a crater on Jupiter's moon Ganymede.It is a dark-floored crater with a bright ejecta blanket located in the grooved terrain region Uruk Sulcus.The dark component may be residual material from the impactor that formed the crater.
Accused UnitedHealthcare CEO killer Luigi Mangione spent his first night back in the Big Apple under the same NYC federal prison as disgraced rap mogul Sean "Diddy" Combs.
Hard-throwing Japanese right-hander Roki Sasaki was posted to Major League Baseball teams and will be available to sign as a free agent from Tuesday through 5 p.m. Eastern on Jan. 23. The Chiba ...
Warner Bros. Discovery has revealed its lineup for this year’s San Diego Comic-Con which runs July 21-24. On the schedule is a panel for the HBO original series House of the Dragon, the prequel ...