galilean moons
7 Days Out From Orbital Insertion, NASA’s Juno Images Jupiter and its Largest Moons
Now just 7 days out from a critical orbital insertion burn, NASA’s Jupiter-bound Juno orbiter is closing in fast on…
How Do We Terraform Jupiter’s Moons?
Jupiter's four largest moons - the Galileans - have long been considered as possible sites for human habitation, and even…
Who Was Galileo Galilei?
When it comes to scientists who revolutionized the way we think of the universe, few names stand out like Galileo…
Jupiter’s Moon Callisto
With 67 confirmed satellites, Jupiter has the largest system of moons in the Solar System. The greatest of these are…
Jupiter’s Moon Ganymede
In 1610, Galileo Galilei looked up at the night sky through a telescope of his own design. Spotting Jupiter, he…
Jupiter’s Moon Europa
Jupiter's four largest moons - aka. the Galilean Moons, consisting of Io, Europa, Ganymede, and Callisto - are nothing if…
The Planet Jupiter
Jupiter is the 5th planet in the Solar System, and the largest by far, easily visible in the night sky…
What Did Galileo Invent?
Galileo is considered one of the greatest astronomers of all time. His discovery of Jupiter's major moons (Io, Europa, Ganymede…
What is the Biggest Planet in the Solar System?
Ever since the invention of the telescope four hundred years ago, astronomers have been fascinated by the gas giant of…
Rare Triple Transit! There’ll be 3 Moon Shadows on Jupiter on January 24th, 2015
Play the skywatching game long enough, and anything can happen. Well, nearly anything. One of the more unique clockwork events…