In the tenth episode of "The Skyentists" astronomers Kirsten Banks and Ángel López-Sánchez share their excitement about the BIG second data release of Gaia. Gaia, which is a small satellite owned by the European Space Agency (ESA), has just provided detailed astrometric and photometric information of around 1.7 billion stars! For many of these stars Gaia has also obtained accurate measurements of the parallax, which is key to derive the distance to the stars. But this is not as easy as it sounds, because everything out there is moving. How is it done? You have to listen the episode to know! For our "What's Up!" segment we talk about the red giant star Arcturus, also known as Alpha-Boo. And we have feedback, yeah! We answer some few questions from our listeners and encourage everyone to sign the petition to continue producing the science fiction TV show "The Expanse".