Moon–Earth telescope network eyed to image dozens of black hole shadows

Researchers propose a Moon–Earth radio telescope network that could reach sub‑microarcsecond resolution, enabling direct shadows of dozens of supermassive black holes. Six strong targets are identified (including M104 and NGC 1052); a 100‑meter lunar dish paired with Earth baselines could detect all 31 candidates, with far‑side sites offering radio‑quiet observations. The approach relies on visibility data rather than traditional images and remains a decades‑long pursuit, but could greatly advance tests of general relativity and black hole imaging beyond current capabilities.