This sort of a telescope structure fundamentally depends on gravity to naturally pull it into the required paraboloid shape. There's absolutely no way you could

This sort of a telescope structure fundamentally depends on gravity to naturally pull it into the required paraboloid shape. There's absolutely no way you could do anything remotely similar in space with current or near-future technology. And even if you could, that money would buy you dozens or hundreds of Earthbound Arecibos.