This week on Quizlet Goodbye Cassini!

This week on Quizlet Goodbye Cassini! Illustration of the NASA Cassini craft (Image: NASA) Low on rocket fuel, and after almost 20 years in space, the Cassini spacecraft will end its mission on September 15. Launched in 1997, Cassini arrived in  Saturns system  in 2004 and has been studying the planet, its rings and moons ever since. It is the most distant planetary orbiter ever launched. Its many discoveries have transformed our understanding of Saturn and the kind of worlds where life might exist. Just a few of its major accomplishments: Performed 127 close flybys of  Titan, Saturns largest moon and one of the most earth-like worlds weve found Delivered  ESAs  probe to Titan in 2005, supporting the first landing on a world in the outer  solar system Revealed that Saturns moons are unique worlds â€" including tiny  Enceladus, with its towering jets of ice and water vapor from the ocean under its icy crust, and  Mimas, with a giant impact crater making it look like the Death Star from Star Wars Enabled observation of weather and seasonal changes during its 13 years (about half a Saturn year), including a  once-in-30-years storm Tomorrow, the Cassini will descend into Saturn and be crushed by its atmosphere. When antennas on Earth stop detecting the spacecrafts signal, the Cassini mission will officially end. Before watching its  Grande Finale, learn more about the  Cassinis amazing mission. Quizlet is the most popular online study service in the US and is used by one in three US college students each month. Its great for college students because it makes it easy to practice and master any subject, from intro foreign languages to organic chemistry. Quizlet is available on desktop, iOS and Android.