Universe Today Podcasts With Fraser Cain

In this week's live questions and answers show, I explain why NASA doesn't build standardized rovers, how we know the Universe is approximately 13.8 billion years old, and which are the best (and worst) entry-level telescopes to get. Mars Magnetosphere story https://www.universetoday.com/153368/an-absolutely-bonkers-plan-to-give-mars-an-artificial-magnetosphere/ 00:00 Start 00:28 When will NASA make standard models of rovers? 04:28 Is the Universe older than 13.8 billion years? 07:06 What are the best and worst entry level telescopes? 10:29 Why isn't there more of a push to explore Europa? 13:40 could dark matter be a heavier element? 16:29 How could we drill down through Europa's ice sheet? 19:23 Will supervoids grow as the Universe expands? 21:11 What's the best technology for interstellar travel? 23:15 Could we protect Mars with a giant solenoid? 25:37 Could we build a second James Webb? 27:08 Could a longer ramp let Spinlaunch send humans to space? 29:39 What is the economic cost of contaminating Mars? 33