Who was the first person to see the moons of Saturn?
The first discovered moon of Saturn was Titan, reported in 1655, by Dutch astronomer Christiaan Huygens; Tethys, Dione, Rhea and Iapetus (the "Sidera Lodoicea") were discovered in 1671-1684 by Italian astronomer Giovanni Domenico Cassini; (*The four largest moons of Jupiter were discovered by Galileo in January 1610.) ...
Asked in Science, Planet Jupiter, The Moon
How many moons does Jupiter has what are there names?
Jupiter has at least 63 known moons. The largest four are called Io, Europa, Ganymede, and Callisto. These four moons are called the Galilean satellites because they were first seen in 1610 by the astronomer Galileo Galilei. ...
Asked in Inventions, Astronomy
How did the invention of the telescope contribute to your knowledge of the moons surface?
the invention helps people see the crators and the maria on the moons surface ...
Does Jupiter have any moons?
At last count Jupiter had a whopping 63 moons! It's four largest moons are called the Galilean satellites, after Italian astronomer Galileo Galilei, who observed them in 1610. The German astronomer Simon Marius claimed to have seen the moons around the same time, but he did not publish his observations and so Galileo is given the credit for their discovery. These large moons, named Io, Europa, Ganymede, and Callisto, are each distinctive worlds. ...
Asked in Planet Jupiter
Do Jupiter has moons?
Jupiter has at least 63 known moons. The largest four are called Io, Europa, Ganymede, and Callisto. These four moons are called the Galilean satellites because they were first seen in 1610 by the astronomer Galileo Galilei. Ganymede is the largest moon in the Solar System, with a diameter of 3,260 miles. ...
Asked in Planetary Science
How many planets have Galilean moons?
The Galilean moons are Io, Europa, Ganymede, and Callisto, all of which orbit Jupiter. The term "Galilean" does not denote anything special about the moons other than that they were discovered by the astronomer Galileo Galilei. ...
Asked in Astronomy, Planetary Science, The Moon
How much of the moons surface is illuminated by the sun at any time?
Half of the moons surface is illuminated by the sun at a time, except during a lunar eclipse. ...
Asked in Physics
What is the contribution of Olaf Roemer in physics?
he is the Danish Astronomer who made the first rough estimate of the speed of light in 1676 by measuring the length of time and eclipse that occured in one jupiter's moons. ...