galileo
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 are the Galilean Moons?
It's no accident that Jupiter shares its name with the king of the gods. In addition to being the largest…
What is the Moon’s Real Name?
We call it the Moon, but... what's its real name? You know, the name that scientists call the Moon. As…
Rocket ‘Anomaly’ Blamed For Putting European Navigation Satellites Into Wrong Orbits
An independent investigation committee is looking at why two European navigation satellites are in the wrong orbits following their launch…
What’s Inside Jupiter?
Jupiter is like a jawbreaker. Dig down beneath the swirling clouds and you'll pass through layer after layer of exotic…
A New Image of Europa Emerges
Eureka – it's Europa! And a brand-new image of it, too! (Well, kinda sorta.) The picture above, showing the icy moon's…
Could Jupiter Become A Star?
NASA’s Galileo spacecraft arrived at Jupiter on December 7, 1995, and proceeded to study the giant planet for almost 8…
How Do You Stop A Spacecraft Microbe From Attacking Mars?
When you have a Mars mission that is designed to search for life or life-friendly environments, it would be several…
Where Did Saturn’s Rings Come From?
Dr. Kevin Grazier was a planetary scientist with the Cassini mission for over 15 years, studying Saturn and its icy…