Can dark energy be just empty space and nothing else? Is there a new space race going on? Why is NASA so slow with its Moon plans? Is there an upper limit for a star? Answering all these questions and more in this week's Q&A.

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00:00 Start

01:07 [Andoria] Is dark energy just empty space?

06:29 [Vulcan] Canadian accent

08:48 [Risa] What if a nebula collapsed back on its central neutron star?

12:11 [Aeturen] Why not use a satellite on a cycler orbit for high-bandwidth data transfer?

16:25 [Vendikar] Is a new space race on?

21:20 [Remus] How can NASA be so slow?

23:57 [Janus] Can space voids actually be Dyson spheres?

26:25 [Cait] What's the upper limit of star mass?

28:42 [Betazed] How can we protect against solar flares?

32:14 [Cheleb] Controversial topics among science discoveries

36:46 [Nimbus] What is the latest news about life on Europa?

📺 VIDEO VERSION

https://youtu.be/D6y0xNGmDUc

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