Amalthea /æməlˈθiːə/ is a moon of Jupiter. There are 79 known moons of Jupiter. Amalthea was the last moon of any planet in the Solar System to be discovered from Earth using direct visual observation. It has the third closest orbit around Jupiter among known moons and was the fifth moon of Jupiter to be discovered, so is also known as Jupiter V. Edward Emerson Barnard discovered the moon on 9 September 1892 and named it after Amalthea … AMALTHEA Amalthea is the third-closest moon to Jupiter and the reddest object in our solar system . It is also known as Jupiter V.. On Amalthea, Jupiter would be an amazing sight in its sky, looking 92 times bigger than the Full Moon.Amalthea is the biggest of the closer moons of Jupiter. Amalthea is not a spherical moon with a diameter of 232 x 146 x 134 km (145 x 91 x 83 miles). Amalthea is 145 x 91 x 83 miles (232 x146 x134 km) in diameter and orbits 112,700 miles (181,300 km) from Jupiter, within the faint Gossamer ring.

It measures about 168 miles in length and half that in width. The most massive of the moons are the four Galilean moons, which were independently discovered in 1610 by Galileo Galilei and Simon Marius and were the first objects found to orbit a body that was neither Earth nor the Sun. All subsequent discoveries were made using photographic plates, space probes or the Hubble Space Telescope. Amalthea and Thebe likely provide the dust for the Gossamer ring.

Amalthea was the last moon to be discovered by direct visual observation (as opposed to photography). Amalthea is the third closest moon to Jupiter.It was found on September 9, 1892, by Edward Emerson Barnard and named after Amalthea, a nymph in Greek mythology. Amalthea, the 5th Moon of Jupiter So here we have the five largest moons of Jupiter, the four big ones and a small "rock" (Amalthea) that was first seen in 1892 with what was then probably the best telescope on earth, the 36" refractor at the Lick Observatory in California.

Amalthea. More Cool & Interesting Facts About Amalthea! Amalthea and Himalia are Jupiter’s fifth and sixth largest moons; they are about the same size but only 1/15 the size of next larger one, Europa. Amalthea is Jupiter's fifth largest moon. It was discovered by Edward Emerson Barnard in 1892. The name comes from Greek mythology, Amalthea was a naiad who nursed the new-born god Jupiter.

Amalthea is the third closest moon to Jupiter.It was found on September 9, 1892, by Edward Emerson Barnard and named after Amalthea, a nymph in Greek mythology.It is also known as Jupiter V.. On Amalthea, Jupiter would be an amazing sight in its sky, looking 92 times bigger than the Full Moon.Amalthea is the biggest of the closer moons of Jupiter. Amalthea is the third moon from Jupiter and is the reddest object in the solar system. It orbits about 181,000 kilometers (112,468 miles) from Jupiter, considerably closer than the Moon orbits Earth.