Dave and Brian are finally back to talk more space.  They fill you in on recent happenings in both outer and inner spaces. Check out Isaac Arthur's YouTube channel here: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g As always, you can ask questions on our website at https://goo.gl/n1ytiy -Hosted by- Brian Keesbury: https://goo.gl/thRD7 David Wonderly: https://goo.gl/B95jH7 Intro Music by Brian Keesbury