[DOC] [TLE] Galilean moons - Wikipedia [PAR] The Galilean moons are the four largest moons of JupiterIo, Europa, 
Ganymede, and Callisto. They were discovered by Galileo Galilei around 
January 1610... [DOC] [TLE] The Discovery of the Galilean Satellites - Views of the Solar System [PAR] Galileo first observed the moons of Jupiter on January 7, 1610 through a ... He 
originally thought he saw three stars near Jupiter, strung out in a line through the 
planet. ... the planet, and that they changed their position with respect to each 
other ... what he was observing were not stars, but planetary bodies that were in 
orbit... [DOC] [TLE] The Life and Times of Galileo - Illinois State University [PAR] Though Galileo is almost universally known by his first name, he was born 
Galileo ... But Vincenzo was wise enough to see that his son had other abilities 
and ... Before long it became clear to Galileo that his life calling was not medicine
, .... The moon orbited round the earth and the planets moved in perfect circles 
with... [DOC] [TLE] Go Observe | International Year of Astronomy 2009 [PAR] Find Jupiter in the Sky. In January, 1610, Galileo pointed his telescope at Jupiter. 
... But accompanying Jupiter, he saw four "stars" which followed the planet across 
... Examples of Galileo's drawings, showing how Jupiter's four largest moons ... 
any heavenly bodies were seen clearly orbiting something other than the Earth. [DOC] [TLE] Planet Jupiter: Facts About Its Size, Moons and Red Spot - Space.com [PAR] Nov 14, 2014 ... Jupiter is the largest planet in the solar system. ... in 1610, when Galileo 
discovered Jupiter's four large moons  Io, Europa, ... This was the first time 
celestial bodies were seen circling an object other than ... The most extraordinary 
feature on Jupiter is undoubtedly the Great Red Spot, a giant hurricane-like... [DOC] [TLE] When Did Galileo Discover Jupiter? - Biography - YourDictionary [PAR] He was also the first astronomer to discover the four largest moons that orbit the 
planet. ... On January 10, 1610 Galileo discovered another one of Jupiter's 
moons. ... One of the defining features of the planet Jupiter is a giant red storm 
that can... [DOC] [TLE] Giant Worlds | Meet the Giants | Saturn [PAR] The startling revelation that Saturn's small, icy moon Enceladus may possess ... 
The recent discoveries of Jupiter-sized planets orbiting stars beyond our ... When 
Galileo became the first person to study Saturn through a telescope in 1610, he ... 
He saw a large disk flanked by two smaller disks  as if the planet had handles! [DOC] [TLE] Jupiter: Science, News, Mythology, Pseudoscience- Crystalinks [PAR] The Galileo spacecraft is the only one to have entered orbit around Jupiter, ... 
NASA's solar powered Juno space probe arrives at giant planet CNN - July 5, 
2016 ... of Jupiter using a telescope, the first observation of moons other than 
Earth's. ... Galileo Galilei's discovery, in 1610, of Jupiter's four large moons Io, 
Europa,... [DOC] [TLE] The_life_and_times_G.. - University of Virginia [PAR] Though Galileo is almost universally known by his first name, he was born 
Galileo Galilei on ... One he swang with a large arc, the other with a small arc. ..... 
By early in 1610 Galileo published his earliest observations in a work entitled "
Sidereus .... Rather, they were satellites - little moons - in orbit round the giant 
planet. [DOC] [TLE] Jupiter, Jupiter Information, Facts, News, Photos -- National ... [PAR] On January 7, 1610, using his primitive telescope, astronomer Galileo Galilei saw 
four ... He had discovered Jupiter's four largest moons, now called Io, Europa, ... 
23 new moons orbiting the giant planet, giving Jupiter a total moon count of 49, ... 
atmosphere, which collected the first direct measurements of the atmosphere. [DOC] [TLE] Saturn - Wikiquote [PAR] Saturn is a gas giant with an average radius about nine times that of Earth. ... 
Sixty-two known moons orbit the planet; fifty-three are officially named. .... Italy:
Italian astronomer Galileo

Question: In 1610 Galileo became the first to find other moons when he saw moons orbiting this giant planet
Answer: Jupiter