Learn about Jupiter’s weird inner moon Amalthea. It was not only the fifth Jovian satellite to be discovered, but it’s also the fifth-largest.

Close-up images of Amalthea by NASA's Voyager 1 and Voyager 2 probes and the Galileo spacecraft show several bright spots and craters on the small moon, as well as how mysteriously red its surface is.

It'd take until 2002 for the moon to be studied closely by human-made probes when the Galileo mission observed Amalthea from a distance of 244 km (152 mi) and completed the mapping mission begun ...

With just 110,000 miles and change (177,027.8 km) separating Amalthea from the upper wisps of Jupiter's thick atmosphere, a significant enough cosmic event in its vicinity might be enough to knock ...

Amalthea, just one of Jupiter's 95 official moons, was first discovered by Edward Emerson Barnard in 1892. It is about 100 miles wide and clumsily shaped like a potato because it lacks the mass to ...

NASA's Juno spacecraft has sent back stunning photos of Jupiter, including colorful, chaotic storms swirling through the ...

Jupiter's fifth moon to be discovered, and the fifth-largest of the planet's 95 known moons, is Amalthea. It was found in 1892 by Edward Emerson Barnard, an American astronomer who was an ...

Related: Jupiter's mysterious moon Amalthea spied crossing the Great Red Spot (photo) Juno also snapped pictures of Jupiter's potato-shaped inner moon, named Amalthea.

Juno also snapped pictures of Jupiter's potato-shaped inner moon, named Amalthea. With a radius of only 52 miles (84 kilometers), Amalthea is significantly smaller than Earth 's moon .