The Sky At Night

The Sky At Night

The 200-Inch Telescope At Mount Palomar (1981x1)


Yayınlanma tarihi: Oca 11, 1981

History and current research of the Hale reflector

  • Prömiyeri: Nis 1957
  • Bölümler: 834
  • Takipçiler: 18
  • Devam eden
  • BBC Four
  • Pazar saat 22