Galilean satellite


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  • noun

Synonyms for Galilean satellite

one of the four satellites of Jupiter that were discovered by Galileo

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Among Galilean satellites of Jupiter, Io and Callisto are antipodes.
This large moon is the least active--and most ordinary looking--of the four Galilean satellites.
Finally, Galileo will settle in for two years of photographing and measuring the Jovian system, including the planet itself and the three other big Galilean satellites -- Europa, Ganymede and Callisto.
There, a probe will descend into Jupiter's atmosphere and the Galileo orbiter will spend 22 months photographing the planet and the Galilean satellites, its four largest moons.
The four Galilean satellites will also be occulted, and Figure 2 shows the northern limits of their occultation regions.
For the positions of the Galilean satellites, use has been made of the theory E5 of J.
Although the graze lines for the Galilean satellites are arranged 1-2-3-4 (going northwards), Table 3 shows that at Greenwich the disappearances/reappearances of the satellites are in the sequence 2-1-3-4.
He recorded numerous lunar occultations and also monitored the six-yearly mutual eclipses and occultation phenomena of the four galilean satellites of Jupiter.
Other notable events (though sparsely observed by BAA observers) were the conjunctions of Jupiter with Neptune on 2009 May 25 and July 13, the occultation of the 6th magnitude star 45 Capricorni on 2009 Aug 3-4, mutual phenomena of the Galilean satellites which were resolved in time-lapse movies for the first time, and several multiple satellite transits.
With this I saw for the first time craters on the Moon, the four Galilean satellites of Jupiter and the rings of Saturn.
Other notable events were the conjunctions with Neptune on May 25 and July 13, the 'Bird Strike' impact on July 19, the occultation of 6th-magnitude 45 Capricorni on August 3-4, mutual phenomena of the Galilean satellites which were recorded in resolved time-lapse movies for the first time, and several multiple satellite transits.
This year, amateurs are recording mutual eclipses and occultations between the Galilean satellites of Jupiter.
A bit higher in the sky this year than last for UK-based observers, the giant planet should reveal plenty of detail in medium aperture (100-150mm) telescopes during the early hours, whilst even binoculars will readily show the four bright Galilean satellites.