Why does the Moon orbit the Earth? What's the connection between a funnel and a black hole? What is a metric? All these answers in 11 minutes! 0:00 - Introduction 0:45 - The metric 3:54 - Geodesics 6:29 - Spacetime 10:13 - Conclusion This video is narrated by Octave Masson. For more videos, subscribe to the YouTube channel : null And if you liked this video, you can share it on social networks ! To support me on Patreon : http://www.patreon.com/ScienceClic or on Tipeee : http://tipeee.com/ScienceClic Facebook Page : http://facebook.com/ScienceClic Twitter : http://twitter.com/ScienceClic Instagram : http://instagram.com/ScienceClic Alessandro Roussel, For more info: http://www.alessandroroussel.com/en _________________________________________________ ScienceClic Français : null ScienceClic Español : null _________________________________________________ To learn more : https://en.wikipedia.org/wiki/Geodesic https://en.wikipedia.org/wiki/Spacetime https://en.wikipedia.org/wiki/Metric_tensor