YOU know space tourism is becoming accepted when it gets included in credit-card offers. The online service SpaceDaily reports that American Express has added Space Adventures – the folks who sent two tourists to the International Space Station on Soyuz spacecraft – to its “membership rewards” programme.
Accumulate a mere million points, and you get a free zero-gravity ride on a “vomit comet”. Three million points will take you on a Mach 2.5 Mig-25 fighter to the edge of space at 24 kilometres, where you can see the darkness of space and the curvature of the Earth. If you have accumulated 20…
