When is a supernova too close for comfort? Will USA's Moon race against China accelerate a race towards a Mars base? 00:25 [SpaceInfrastructure] If China beats US to the Moon, will it accelerate a Mars base development? 04:37 [LtNuke] How close does a supernova need to be to cause real damage? 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)