'Lurker' Probes And Disappearing Stars - Centauri Dreams

With Earth's skies littered with debris, Starlink satellites, and other man-made objects it is difficult to detect aliens in our own backyard less'n they drew attention to their presence. Fortunately, before the space race, astronomers built an impressive catalog of astrophotos and Paul Glister outlines contemporary interest in these artifacts in hopes of finding something unusual. And it seems Vanishing & Appearing Sources during a Century of Observations may already be bearing fruit. (CS)

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from THE ANOMALIST https://bit.ly/3yiWA2P