english: So they would have to have -- these creatures, which I call sunflowers, which I imagine living on the surface of Europa, would have to have either lenses or mirrors to concentrate sunlight, so they could keep themselves warm on the surface.
non_english: Dus deze levensvormen - ik noem ze zonnebloemen - die in mijn verbeelding op Europa bestaan, moeten lenzen of spiegels hebben om zonlicht te concentreren. Zo kunnen zij zich warm houden aan de oppervlakte.