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[Andoria] How big are the biggest stars?
[Vulcan] How fast should colonising the Universe happen?
[Risa] Why would aliens be grabby?
[Aeturen] The difference between humans and aliens
[Vendikar] A star approaching us from the Large Magellanic cloud?
[Remus] Is the scientific discovery process slow?
[Janus] How do we know what happened before recombination?
[Cait] Is there more room for science communicators?
[Betazed] What are my interest outside of space and science?
[Cheleb] How fast do different galaxies move away from us?
[Nimbus] How much dark matter is there in our solar system?
[Belos] How big does an object need to be to hold an atmosphere?