Amalthea (moon) - Wikipedia
网页Amalthea / æməlˈθiːə / is a moon of Jupiter. It has the third-closest orbit around Jupiter among known moons and was the fifth moon of Jupiter to be discovered, so it is also known as Jupiter V. It is also the fifth-largest moon of Jupiter, after the four Galilean moons.
Amalthea: Jupiter’s unusual inner moon - Space.com
网页2022年5月16日 · The moon Amalthea is one of Jupiter’s 53 named satellites; it was the first to be discovered after the four Galilean moons, and it is the fifth-largest overall. In terms of proximity to...
Amalthea - NASA Science
网页Amalthea is the reddest object in the solar system and it appears to give out more heat than it receives from the sun. This may be because, as it orbits within Jupiter's powerful magnetic field, electric currents are included in the moon's core. Alternatively, the heat could be from tidal stresses.
Jupiter's mysterious moon Amalthea spied crossing the Great …
网页2024年5月14日 · NASA's Juno spacecraft has spotted the elusive fifth moon of Jupiter transiting the giant planet's Great Red Spot, giving astronomers a rare view of this small but intriguing natural satellite.
NASA’s Juno Mission Spots Jupiter’s Tiny Moon Amalthea
网页2024年5月13日 · Amalthea circles Jupiter inside Io’s orbit, which is the innermost of the planet’s four largest moons, taking 0.498 Earth days to complete one orbit. Amalthea is the reddest object in the solar system, and observations indicate it gives out more heat than it receives from the Sun.
Featherweight Jupiter Moon Is Likely a Jumble of Pieces
网页2002年12月9日 · NASA's Galileo spacecraft continues to deliver surprises with the discovery that Jupiter's potato-shaped inner moon, named Amalthea, appears to have a very low density, indicating it is full of holes.
Amalthea (moon) - Simple English Wikipedia, the free …
网页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. [8] 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 ...
Amalthea | moon of Jupiter, Galilean satellite | Britannica
网页Amalthea, small, potato-shaped moon of the planet Jupiter and the only Jovian satellite other than the four discovered by Galileo in 1610 to have been found by direct visual observation (as opposed to photography or electronic imaging) from Earth.
Amalthea, A Rubble-Pile Moon - NASA Jet Propulsion Laboratory …
网页2005年5月31日 · Amalthea is Jupiter's fifth largest moon. It orbits about 181,000 kilometers (112,468 miles) from Jupiter, considerably closer than the Moon orbits Earth. It measures about 168 miles in length and half that in width. Galileo passed within about 99 miles of the moon on Nov. 5, 2002.
New photos show Jupiter's tiny moon Amalthea - Phys.org
网页2024年5月16日 · Amalthea holds the distinction of being the last moon discovered via direct visual observation, and the first moon of Jupiter discovered since Galileo first spotted the four major Galilean...
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