[Q&A] Best Possible Space Mission, Sea Launches, Sun's Siblings

What would be the best possible space mission if budget restrictions didn't exist? Why don't we launch all rockets from ships in the sea? Where are the stars that formed with our Sun? And in Q&A+ where is the center of the Universe?

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00:00 Start

00:30 [John Hoy] Dream space mission when budget isn't a concern?

04:20 [Adam Redwine] Which places are best for launching rockets to different altitudes?

06:20 [Chris Nelsynels] How are we looking for the Sun's siblings?

07:48 [MouseDestruction] Stirling engines in space?

10:23 [Ivan M] What's the density of a black hole?

14:37 [xXPhiliPXx6541] What are the pros and cons of launching rockets from ships?

17:49 [Aaron ball] What's coming after the ISS?

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