Voyager 1 and 2
Finally! Voyager 2 is Now in Interstellar Space
The Voyager 2 recently crossed the outer boundary of the heliosphere, where it joins the Voyager 1 spacecraft in interstellar…
NASA Voyager Probes Still Going Strong After 40 Years
The Voyager probes, humanity's longest-running and farthest-reaching missions, are celebrating their 40th anniversaries this summer!
What Will the Voyager Spacecraft Encounter Next? Hubble Helps Provide a Roadmap
The twin Voyager spacecraft are now making their way through the interstellar medium. Even though they are going where none…
Prof. Lubin Wants to Send Our Digital Selves to the Stars
Prof. Lupin of UCSB recently launched a crowdfunding campaign to create "Voices of Humanity", a project aimed at equipping all…
How Long Does it Take to get to the Asteroid Belt?
Just how long would it take to get to the Asteroid Belt, in the event that we want to start…
Saturn’s “Death-Star” Moon Mimas
Much has been learned about Saturn's system of moons in recent decades, thanks to the Voyager missions and the more…
Saturn’s Moon Rhea
The Cronian system (i.e. Saturn and its system of rings and moons) is breathtaking to behold and intriguing to study.…
Io, Jupiter’s Volcanic Moon
Io is one of the four large Galilean moons of Jupiter, visible with binoculars or a small telescope. Let's learn…
Jupiter’s Moon Callisto
With 67 confirmed satellites, Jupiter has the largest system of moons in the Solar System. The greatest of these are…
What is the Asteroid Belt?
In the 18th century, observations made of all the known planets (Mercury, Venus, Earth, Mars, Jupiter, and Saturn) led astronomers…