Speaking of giants, we landed a probe on Titan last week, getting photos of a hydrocarbon sea, evaporating tributaries, and generally had a supremely funky time of it. We’re chucking things at comets to see what we can knock off, we’ve got two robots trundling around Mars, we’ve got the James Webb telescope in the pipeline and a veritable arseload of other cool stuff. There’s no vision problem that I can see (har har). Sure, Hubble has been the crown jewel for a fair while, but all good things must come to an end…