Sure, but you have to concede that it is much more convenient having a small sun in your basement than having to deal with concentrating the energy from the gia

Sure, but you have to concede that it is much more convenient having a small sun in your basement than having to deal with concentrating the energy from the giant ball in the sky. Especially if your halfway to Alpha Centauri. In which case the giant ball is little more than a bright star. But, I'll be happy with your scenario too.