It was a great moment in the history of NASA, especially since people had been working so long at trying to get a probe to Mars
How can scientist know so much about the sun's heliosheath without being able to go there?
Similar physics that governs our solar system can be seen in your own kitchen sink!
Are there really alien civilizations out there that we don't know about? Find out on this Moment of Science: "The Fermi Paradox".