Interesting but I’m not sure taxpayers should be funding this one. I’m all for space exploration but I just fail to see the point in this one.
to see if it’s coming back
... or at least if a big asteroid and accompanying debris field is coming back
IIRC, the STEREO probe is supposed to orbit the sun at one of the LaGrange points anyway, to study the sun without interference from the Earth. This is just adding extra mission objectives for the probe as it positions itself for its main mission.