How big does a planet has to be to make it impossible to fly a rocket from it? And in our extended Q&A+ edition, is terraforming Mars necessary for finding life there? 🎁 [Q&A+] Same video. 📺 VIDEO VERSIONhttps://youtu.be/19phg5eP4Rs📰 GUIDE TO SPACE NewsletterNo ads. Subscribe for FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/📩 CONTACT FRASER[email protected]⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)