Universe Today Podcasts With Fraser Cain

In this week's questions show I explain why it's still important to do science, even if it's difficult, can we use multiple methods to measure distance, and why the Trojan asteroids don't collect into a single object? 00:00 Start 00:40 Why should we bother trying to understand the Universe? 05:01 Can different methods be used to measure distances to the same object? 07:50 Why don't Trojans collect into a single object? 10:24 Split the videos up? 13:02 Do supernovae cause a chain reaction? 14:27 Why settle the Milky Way? 16:48 What if a black hole came close to the Earth? 18:04 Is there an escape velocity from the Milky Way? 18:51 Could we detect something moving faster than light? 20:48 Could we detect pulsars in other galaxies? 22:44 When does a planet end, and an atmosphere begin? 24:06 Could we store photons for energy? Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here. Our Book is out! https://www.amazon.com/Universe-