Which evidence will be a definite smoking gun when it comes to finding extraterrestrial life? Why is a Dyson sphere more realistic than warp drives? 🎁 [Q&A+] Same video. 08:11 [LeMonkDog] Why is a Dyson sphere considered more rational than FTL travel? 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)