Episode 775: Q&A 165: How Could We Explore the Oceans of Europa? And More...

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?

33:18 Do Jeff Bezos and Elon Musk have any business strategy for colonizing space?

35:08 How do neutron stars die?

36:28 Better to live on a water world or Mars?

37:37 Any way to collect small pieces of space junk?

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.

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