"I think "and that's it" would be the weird part." Yes, that's my point. You make the presumably-strenuous effort to broadcast to the stars, sacrificing any nu

"I think "and that's it" would be the weird part." Yes, that's my point. You make the presumably-strenuous effort to broadcast to the stars, sacrificing any number of other priorities in the process, and you basically transmit the scientific equivalent of a throat clearing, and then stop? Silence is understandable, and a message like in the movie Contact is understandable, and a lot of other things are understandable, but that would just be weird.