[Q&A+] Why Are There No Binary Planets?

<html><p>BONUS QUESTION STARTS AT 15:22</p><p>Watch the video here (with no ads) or on YouTube: <a href="youtu.be/MhJFyC_vdtk"; target="_blank">youtu.be/MhJFyC_vdtk</a></p><p&… are there no binary planets? Should you buy into dark energy and dark matter? What apps are best for stargazing? And in Q&A+, why don't NASA just bring put wipers on Mars solar panels?</p><ul><li><p>00:00 Intro </p></li><li><p>00:25 [@EdSceptic-y2e] Why are there no binary planets? </p></li><li><p>02:39 [@andrewczski1969] Do you buy into dark matter? </p></li><li><p>08:46 [@alcalbg] Does total dark energy increase as space expands? </p></li><li><p>10:11 [@Noonyuh] What are your favorite apps or sites for real-time maps of the sky? </p></li><li><p>15:22 [@andrewczski1969] just couldn't send along swiffers, huh? </p></li><li><p>20:00 Final thoughts</p></li></ul><p></p></html>