but for the past few years it has been edging closer and making fly-bys of the large Galilean moons. On Dec. 30, 2023 and Feb. 3, 2024, Juno flew within 930 miles (1,500 kilometers) of Io.

Over at Jupiter, observers with a telescope can catch a transit of the Galilean moon Io along with its shadow. How much and what you will see depends on your location. Io begins to cross the ...

Sunrise: 6:55 A.M. Sunset: 9:18 P.M. Moonrise: 5:01 A.M. Moonset: 2:55 P.M. We're back at Jupiter in Taurus this evening to watch the innermost Galilean moon, Io, now transit the disk alongside ...

Jupiter has four large moons – Io, Europa, Ganymede and Callisto – with diameters ... The four larger moons mentioned above, also known as the 'Galilean moons', account for 99.997 percent of the total ...

Even more exciting is the Jovian moon Io, the Galilean moon closest to the giant planet. There, as many as eight or nine volcanoes are erupting at any one time. In fact, January 1980 was the only ...

Oc­cul­ta­tion of Jupiter and the Galilean moons – Io, Eu­ropa, Ganymede and Cal­lis­to – by Deimos, ob­served dur­ing Mars Ex­press or­bit 22,859, on 14 Febru­ary 2022. The dis­tance from Mars ...

Italian astronomer Galileo Galilei revolutionized astronomy in 1610 when he discovered Jupiter’s four largest moons: Io, Europa, Ganymede, Callisto. These “Galilean satellites” provided ...