New pre-print paper by Swedish astronomer Dr. Beatriz Villarroel on a median number of 100,000 UAP surrounding Earth 1949–1958 is now available to read — Aligned, multiple-transient events in the First Palomar Sky Survey Spanish Virtual Observatory
Pre-print Paper By Astronomer Dr. Beatriz Villarroel – 100,000 UAP Surrounding Earth (1949–1958)
