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.
π OUR WEBSITE:
ββββββββββββββββββββββββββββββββββββ
https://www.universetoday.com/
π PODCAST LINKS:
ββββββββββββββββββββββββββββββββββββ
RSS: https://universetoday.com/audio
iTunes: https://universetoday.com/itunes
Spotify: https://universetoday.com/spotify
π EMAIL NEWSLETTER:
ββββββββββββββββββββββββββββββββββββ
Read by 50,000 people every Friday. Written by Fraser. No ads.
Subscribe Free: https://universetoday.com/newsletter
π OTHER PODCASTS:
ββββββββββββββββββββββββββββββββββββ
Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists.
RSS: https://www.universetoday.com/feed/wshaudio/
iTunes: https://podcasts.apple.com/ca/podcast/weekly-space-hangout-audio/id836926769
YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/
Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.
RSS: https://astronomycast.libsyn.com/rss/
iTunes: https://podcasts.apple.com/ca/podcast/astronomy-cast/id191636169?mt=2
YouTube: https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg
π JOIN OUR COMMUNITY:
ββββββββββββββββββββββββββββββββββββ
Patreon: https://patreon.com/universetoday
π OTHER SOCIAL MEDIA:
ββββββββββββββββββββββββββββββββββββ
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
Facebook: https://facebook.com/universetoday
Instagram: https://instagram.com/universetoday
Twitch: https://twitch.tv/fcain
π CONTACT FRASER:
ββββββββββββββββββββββββββββββββββββ
Email: frasercain@gmail.com
π LICENSE:
ββββββββββββββββββββββββββββββββββββ
Creative Commons Attribution 4.0 International (CC BY 4.0)
You are free to use my work for any purpose you like, just mention me as the source and link back to this video.
Available Results
Generated results are saved to your library for reuse and search.
Choose Template
Pick the result you want. You can review provider and model before generating.
A concise first-pass summary for understanding the episode quickly.
A comprehensive, source-grounded extraction of the reusable knowledge in an episode.
A comprehensive extraction focused on opportunities, strategy, markets, and company building.
Explicit actions, next steps, habits, recommendations, and things to avoid.
Repeatable methods, frameworks, mental models, processes, and systems.
A dedicated inventory of concrete resources named in the episode.
A concise first-pass summary for understanding the episode quickly.
A detailed readable summary organized by chapter or topic.
A navigable map of subjects, topic flow, and suggested chapters.
A comprehensive, source-grounded extraction of the reusable knowledge in an episode.
Reusable atomic knowledge units extracted from the episode.
A comprehensive extraction focused on health practices, protocols, claims, and safety caveats.
A comprehensive extraction focused on opportunities, strategy, markets, and company building.
Explicit actions, next steps, habits, recommendations, and things to avoid.
A dedicated inventory of concrete resources named in the episode.
A dedicated analysis of warnings, limitations, trade-offs, weak evidence, and uncertainty.
A concise first-pass summary for understanding the episode quickly.
A detailed readable summary organized by chapter or topic.
A navigable map of subjects, topic flow, and suggested chapters.
A comprehensive, source-grounded extraction of the reusable knowledge in an episode.
Reusable atomic knowledge units extracted from the episode.
A comprehensive extraction focused on health practices, protocols, claims, and safety caveats.
A comprehensive extraction focused on opportunities, strategy, markets, and company building.
Scientific findings, mechanisms, studies, hypotheses, and the limits of the evidence discussed.
Technologies, AI models, technical methods, capabilities, limitations, and adoption implications.
Investment theses, assets, catalysts, valuation reasoning, time horizons, and risks.
Chronologies, actors, causes, consequences, turning points, and competing historical interpretations.
Policies, proposals, stakeholders, arguments, implementation constraints, and predicted effects.
Career paths, skills, hiring signals, workplace decisions, transitions, and limitations of the advice.
Behavioral mechanisms, biases, motivation, habits, emotions, interventions, and evidence limitations.
Economic mechanisms, incentives, indicators, market structure, forecasts, and uncertainty.
Leadership principles, team systems, organizational design, culture, feedback, and failure modes.
Audience, positioning, messaging, acquisition, retention, experiments, metrics, and failed approaches.
Teaching methods, learning strategies, practice, feedback, assessment, and effectiveness evidence.
Theses, premises, arguments, objections, values, thought experiments, and unresolved questions.
Communication patterns, conflict, boundaries, expectations, repair methods, and contextual limitations.
Books, papers, authors, courses, and other learning resources mentioned in the episode.
Repeatable methods, frameworks, mental models, processes, and systems.
Explicit actions, next steps, habits, recommendations, and things to avoid.
Memorable statements and important claims with attribution and source context.
A dedicated inventory of concrete resources named in the episode.
A dedicated analysis of warnings, limitations, trade-offs, weak evidence, and uncertainty.