galilean moons
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…
Pluto’s Closeup Will Be Awesome Based On Jupiter Pics From New Horizons Spacecraft
New Horizons, you gotta wake up this weekend. There's so much work ahead of you when you reach Pluto next…
Luckiest Photo Ever: The Moon, Jupiter … and More
"No matter how much you plan and prepare," said photographer Greg Gibbs, "sometimes you just have to be very lucky."…
What’s That Very Bright Star – Is it the Planet Jupiter?
[/caption] Have you seen a very bright star rising in the East every night the past few months? If you're…