Does anyone know how close it would have to be to be able to take photographs of the planet?

. If you're in the US, let your congressperson know what you think about that.Like... "thank you for not wasting the taxpayers' money"?Unfortunately these have been postponed indefinitely due to budget cuts. If you're in the US, let your congressperson know what you think about that.

. I mean, it's one thing to send a mission to Mars - but another thing entirely to spend millions trying to work out if a suspected planet twenty light years away might have the conditions which potentially could result in an atmosphere that might eventually lead to a habitable environment.
. All right then, why don't you enlighten me - what exactly is the benefit of spending money on planets 20 light years away? And, more to the point, why is it more advantageous to spend money on planets 20 light years away as opposed to spending it on the exploration of the solar system, or indeed on national defence?Well, just as long as we all understand that most of the stuff NASA does is an utter waste of money . I mean, it's one thing to send a mission to Mars - but another thing entirely to spend millions trying to work out if a suspected planet twenty light years away might have the conditions which potentially could result in an atmosphere that might eventually lead to a habitable environment.