Juice will continuously observe Jupiter's atmosphere and magnetosphere, and the interaction of the Galilean moons
with the gas giant planet.
Asphaug and Reufer used computer simulations to study the giant impact scenario, and they found that mergers of satellites the size of the Galilean moons
can liberate ice-rich spiral arms, mostly from the outer layers of the smaller of the colliding moons.
The Sky Guide publishes a most helpful monthly table of the times of the occultations and transits of the Galilean moons
and their shadows.
We require a 4x4 grid (the corner of a checkerboard will do) and twelve tiles on which are printed the words AI (the three-toed sloth), AS, IO (one of the Galilean moons
of Jupiter), IS, MA, MR, MS, OM (a Hindu mantra), OR, RA (the Egyptian sun god), RI (a Japanese measure of 2.
These four moons--Io (EYE-oh), Europa (your-OH-pah), Ganymede (GAN-ih-meed), and Callisto (kuh-LIH-stoh)--are today known as the Galilean moons
, in his honor.
The Galilean moons
vary in size from just smaller than Earth's moon (Europa) to nearly as large as Mars (Ganymede).
At present, scientists are studying Jupiter's 4 largest moons, called the Galilean moons
- Io, Europa, Ganymede, and Callisto.
Today, these four large satellites of Jupiter--the Galilean moons
Io, Europa, Ganymede, and Callisto--are becoming familiar faces in the firmament.
From 19h30 until O1h15 a steady flow of curious onlookers got to see the Moon and Jupiter with its Galilean moons
in Maphefo, the 8-inch Dobsonian.
Lo, Europa, Ganymede and Calisto orbit which planet?
Moonshot to frozen Europa could prove the existence of extra-terrestrial life: Europa is the smallest of Jupiter's four Galilean moons
JIMO would orbit Jupiter's three ice-covered Galilean moons
-- Ganymede, Callisto and Europa -- gathering data to help scientists understand the moons' origin and evolution, potential for sustaining life, and radiation environment.
Sometimes the four moons are called the Galilean moons
in his honor.
At the symposium a total of 23 presentations was given on wide-ranging subjects including the history of occultation phenomena as seen from northern England, early observations of Baily's beads seen during solar eclipses, accounts of successful grazing lunar occultations and asteroidal occultations, observations of mutual eclipses and occultations of the galilean moons
of Jupiter, seasonal variation in the atmosphere of Pluto as probed by occultation and photometric studies, use of high-speed photometry to detect occultations involving Edgeworth-Kuiper belt objects, and accounts of various observing methods, accurate timing and software developments facilitating analysis.
Jupiter's Great Red Spot was clearly visible as were all four its Galilean moons