Would we have colonized Mars by now if it had air? What's the point of talking about the density of black holes? https://www.patreon.com/universetoday🚀 Even more questions with Overtime:https://www.patreon.com/posts/overtime-for-q-12309840600:00 Start00:30 What's the ultimate destiny of stars? 03:16 Could we colonize Mars if it had air? 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)