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| Name | The Mystery of Cosmic Rays - Kathryn Plant - 09/30/2022 |
| Video Uploader | Video From Caltech Astro |
| Upload Date | This Video Uploaded At 01-10-2022 05:05:42 |
| Video Discription | Cosmic rays are tiny particles traveling all over our Galaxy at almost the speed of light, and figuring out their origin is one of the biggest mysteries in astrophysics. Join us as we search for the genesis of cosmic rays, taking us on a tour of some of the strangest things in outer space: black holes, exploding stars, and even the tenuous shock waves of the Galactic wind. This 30-minute lecture will be followed by a panel Q&A consisting of several astrophysicists. Timestamps below: 00:00 Announcements 04:06 Intro to Cosmic Ray Presentation 04:50 Cosmic Ray Presentation 40:51 Intermission 47:41 Q&A Panel Introductions 49:48 How do we measure speed of cosmic rays? Why don't they go speed of light? 52:17 What is the magnetic field in the cloud chamber? 53:21 How do the Ice Cube results fit into cosmic ray detections? 55:14 What are differences between space- and ground-based cosmic ray detectors? 56:07 Can merging neutron stars or black holes create high-energy cosmic rays? 57:17 What are slowest cosmic rays? 58:08 Can we create cosmic rays? 59:37 Do cosmic rays emit radio waves? 1:00:31 Do cosmic rays consist of neutrons? Other particles? 1:01:50 How to use cosmic rays to see inside pyramids? 1:04:02 What is the flux rate of cosmic rays here? 1:05:07 How are cosmic rays different here than outside solar system? 1:06:27 Do cosmic rays transmutate elements? 1:07:30 What causes gamma rays from comets? 1:09:08 What is your favorite kind of explosion? 1:12:12 Can cosmic rays be used to map the interior of planets? 1:13:28 Why do supernovae not create elements more massive than iron? 1:16:00 Why do supernovae explode after implosion? 1:18:02 Are we using JWST for our studies? 1:22:50 How large are the Lagrange points in the Sun-Earth System? 1:25:23 Why is there a maximum neutron star / white dwarf mass? 1:31:33 Did the DART mission pulverize its asteroid target? 1:35:35 Is the DART impacted asteroid still visible? 1:40:38 Microphone problems 1:50:00 Do we understand the asteroid that came from another solar system? 1:55:31 Concluding Remarks |
| Category | Science & Technology |
| Tags | astronomy | astrophysics | cosmic rays | galaxy | supernova | black hole | x-ray | chandra |
