Italian astronomer Galileo Galilei peered through his newly improved 20-power homemade telescope at the planet Jupiter. He ...

Europa was one of four moons discovered on Jan. 7, 1610, by astronomer Galileo Galilei. Speaking of Galileo, this photo was ...

Nearly 415 years ago to the day astronomer Galileo Galilei discovered the moons surrounding Jupiter looking through his homemade telescope.

It was probably during his time at Padua that his path first crossed with Galileo Galilei and the two men ... independently discovered the four major moons of Jupiter. Nearly three years later ...

Astronomer Galileo Galilei discovered it ... from Jupiter (and consequently of Jupiter’s gravitational pull) along this orbit constantly squeezes the moon, causing extreme tidal flexing.

Hi, and welcome back to TechCrunch Space. Happy New Year! And...surprise!: This will be the last edition of TechCrunch Space ...

Stephen Hawking was born exactly 300 years after Galileo Galilei died. Their death and birth, exactly 300 years apart on ...

1610: Astronomer Galileo Galilei observed four of Jupiter’s moons for the first time. 1955: Singer Marian Anderson became the first Black American to sing ...

Scientists with NASA's Juno mission to Jupiter have discovered that ... Although the moon was discovered by Galileo Galilei on Jan. 8, 1610, volcanic activity there wasn't discovered until 1979 ...

📅 Today in History: In 1610, Italian astronomer Galileo Galilei, through improvements he made on a homemade telescope, first observed Jupiter’s four Galilean moons: Ganymede, Callisto, Io and Europa.

The data was compared with observations from previous missions that have flown by Jupiter and its moons, such as NASA’s Galileo spacecraft, as well as ground-based telescopes. Together ...

The four "Galilean moons" were named after Italian astronomer Galileo Galilei, who is thought to have discovered them in 1610. As night falls, Jupiter will rise in the east-northeast, among the ...