Our detonation of nuclear bombs I believe sends out signals we no clue about and that has drawn attention.
This is the best photo I have ever seen of it, it appears to show wing lights if you zoom in close enough
Darn it, can't insert the link to the image. scroll down to the second image and zoom in.
The Black Knight Satellite — Intuitive Insight into the Mystery
Surely we could fly up close to it to better identify it?...