Our radio waves would have only extended to a radius of around 120 light years. Anyone receiving them would need to travel in excess of light speed to be here by now. Possible but unlikely. As Carl Sagan said, We live on a small planet orbiting an average star on an arm of an average galaxy. Why would anyone even be looking here?
A radius that small would indicate we've only been broadcasting for 60 years. We've been at it longer than that I think. In any case the sphere encompasses thousands of stars. I would think they'd be looking because we've said 'here we are'.
Unexplained phenomena for sure but it hasn't been established that they are even objects.
Well, it's probably only a matter of time and I suspect there will be more effort put into figuring it put. Congress is going to be briefed and its hard to imagine them just leaving it alone if its discussed in terms of national security.
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