Originally Posted by ToneTheWone
My opinion is that we are enjoying quite some party on earth at present. Yes enjoy it while it lasts but it can't last for ever. You talk about the next 100 years but what about the next 1000. I don't know the answer but I have some of the questions
Exactly. That further underlines the need to explore space.
I reckon ToneTheWone may be a fully paid up member of the Flat Earth Society.
You are rightly worried about energy usage but the rocket motors for this craft use recycled car tyres for fuel.
What Rutan and Virgin are achieving might make NASA think about what can be achieved without enormous organisations and budgets. Think of this as a stepping stone to greater things.