Could Earth’s Moon be a witness plate, peppered with extraterrestrial material evidence of past extraterrestrial technology? “Whereas electromagnetic SETI is restricted to contemporaneous transmitters, searches for artificially generated particles integrate over gigayear timescales and are therefore sensitive to technomaterial released by civilizations long extinct.” The idea is that technogenic artifacts may survive natural interstellar transport […]

The European Space Agency’s Planetary Defense Office/Near-Earth Objects Coordination Center has published the following Imminent Imactor based on 11 observations: Imminent Impactor: CERNQ52 The Imminent Impactors page contains a list of the confirmed impacting objects detected by ESA’s Meerkat monitoring system in the last 15 days. Meerkat computes impact solutions using the systematic ranging method. […]