The moon, discovered by Barnard, orbits Jupiter within the orbit of Io and was named Amalthea after the nymph who, according to Greek mythology, fed Zeus with goat's milk in his childhood. Images ...

Using this telescope, Galileo peered up towards the constellation Orion on January 7, 1610. His target was the planet Jupiter – an object brighter than the surrounding stars. To his surprise ...

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

“They were all in line with the equator of Jupiter they all moved round… in a regular manner." This showed Galileo something extremely important - that the planets could orbit things other ...

But it won't be a star that will be keeping the moon company on this early winter's evening, but the largest planet in the ...

In the 1990s, NASA's Galileo mission performed magnetic ... of Jupiter's gravitational field — Io moves around Jupiter on an eccentric orbit, and its distance from the giant planet can vary ...

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

On this date, Jan. 17, 2002, the Galileo probe made it’s 33 rd pass of Jupiter’s moon, Io. After Voyager 1’s pass in 1979, Io was dubbed the most volcanically active place in the solar system.

Juno fired its main engine beginning at 11:18 p.m. EDT/0318 Tuesday GMT, slowing the spacecraft so it could be captured by the planet’s gravity. [UPDATE: Tuesday, July 5, 11.00am] Juno, the ...

In an elliptical orbit of Jupiter since July 2016 ... The first close-up images of Io since NASA’s Galileo mission in 1997 revealed the emergence of a fresh volcano with multiple lava flows ...

Its orbit keeps it close to Jupiter. Jupiter’s wild atmosphere ... is tricky to spot even when you have a spacecraft. NASA's Galileo mission imaged Amalthea in 1999. Large impact craters are ...

These instruments could reveal Jupiter's four largest moons, famously discovered by Galileo in 1610 ... the time it takes to complete an orbit around the Sun, spans about 4331 Earth days, or ...