An image of Jupiter as seen by NASA's Juno on August 18 ... gravity of Jupiter and the three other Galilean moons (Europa, Ganymede and Callisto). The friction builds up heat inside Io and ...

NASA's Juno spacecraft has sent back new, eye-catching images of Jupiter ... to reach the Jovian System to explore Jupiter and three of its icy moons: Callisto, Europa, and Ganymede.

10 NASA images of the Sun, Moon and other planets US Space ... almost as big as the planet Mercury—Callisto was first spotted orbiting Jupiter in 1610 by the astronomer Galileo Galilei.

Various images of Jupiter, as seen by NASA’s Juno spacecraft on ... studies of Jupiter's three largest icy moons—Ganymede, Europa and Callisto, all of which are thought to harbor subsurface ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

NASA’s June spacecraft completed its 40th close pass by the gas giant back in February. When it did, the spacecraft captured a startling image ... s because Jupiter’s four major moons, often ...

NASA’s Juno spacecraft has uncovered an immense volcanic hot spot on Jupiter’s moon Io, surpassing any previously recorded ...

New findings from NASA's Juno probe provide a fuller picture of how widespread the lava lakes are on Jupiter's ... to study the moons Io, Europa, Ganymede, and Callisto. The JIRAM Io imagery ...

There are currently 92 moons known to orbit Jupiter. The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope ...

This illustration provided by NASA depicts the Europa Clipper ... Europa is one of the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto. What type of life might ...

In October, NASA launched ... despite this moon being considerably smaller than our planet. In addition, it is believed that internal oceans exist on Jupiter’s moons Ganymede and Callisto ...

Europa Clipper - one of the most advanced spacecraft ever sent to another planet - aims to explore Jupiter's icy moon ...