The End of the Universe - with Geraint Lewis

Come with us on a very final journey as we wander forwards in time at breakneck speeds to see what happens at the very end of the universe. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Geraint's book "A Fortunate Universe: Life in a Finely Tuned Cosmos" is available to buy now: https://geni.us/CUaq Will there forever be stars in the sky? Will humanity roam the cosmos for eternity? What does the future hold for our Universe? This is a journey through space and time, from galactic collisions and hyperactive black holes, on to the death of the last star. Watch the Q&A: https://youtu.be/kTbw2XceDTM Geraint F. Lewis is a Welsh astrophysicist at the University of Sydney. He's best known for his work on dark energy, gravitational lensing and galactic cannibalism. He also has a cool YouTube channel: https://www.youtube.com/channel/UCnPhuVSN3-gEeeSMyIMeDeA/about This talk and Q&A was filmed in the Ri on 24 July 2018. --- A very special thank you to our Patreon supporters who help make these videos happen, especially: Alessandro Mecca, Ashok Bommisetti, Avrahaim Chein, bestape, Elizabeth Greasley, Greg Nagel, Lester Su, Manish Upmanyu, Rebecca Pan, Robert D Finrock and Will Knott. --- The Ri is on Patreon: https://www.patreon.com/TheRoyalInstitution and Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and Tumblr: http://ri-science.tumblr.com/ Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter Product links on this page may be affiliate links which means it won't cost you any extra but we may earn a small commission if you decide to purchase through the link.