What is my biggest disappointment in the history of space exploration? Does the solar gravitational lens need a coronagraph? +a BONUS question:https://www.patreon.com/universetoday00:00 Start00:29 Will the Solar Gravitational Lens telescope need a coronagraph? 09:47 What’s my current biggest disappointment in space exploration? 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)