Galileo Galilei – often referred to just as Galileo ... His target was the planet Jupiter – an object brighter than the surrounding stars. To his surprise, Galileo did not see just this ...

In January 1610, astronomer Galileo Galilei spotted what he thought were four small stars tagging along with Jupiter. These pinpricks of light are actually Jupiter's four largest moons ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

Look for small pinpoints of light snuggled in close around Jupiter. If you're lucky, you'll spot the four Galilean moons: Ganymede, Callisto, Io and Europa. Italian astronomer Galileo Galilei ...

Galileo Galilei made an important discovery about ... and so they were the ones to eventually call it Mars. Jupiter is the biggest planet in our Solar System, and it gets its name from the leader ...

On this date, Jan. 17, 2002, the Galileo probe made it’s 33 rd pass of Jupiter’s moon, Io. After Voyager 1’s pass in 1979, Io was dubbed the most volcanically active place in the solar system.

Galileo Galilei was the founder of modern physics ... He saw mountains on the Moon (very anti-Aristotle this), then satellites orbiting Jupiter, which he mapped with such accuracy that his ...

Io has intrigued astronomers since 1610, when Galileo Galilei first discovered the Jovian ... Subsequent missions to Jupiter, with more Io flybys, discovered additional plumes—along with lava ...

This biopic is about Galileo Galilei, the seventeenth century Italian ... the world's first telescopes and discovered the moons of Jupiter. He supported Copernicus' theory that the Earth revolved ...