1982. Venus has sometimes been called Earthâ€™s twin. During this program we find the surface temperature is at least 424 degrees Celcius with an atmospheric pressure about 90 times that on Earth. This episode, developed for grades 7 to adult, documents the early Pioneer missions to Venus in the late 1970s through a series of animation, NASA photographs, and interviews with project scientists. The program highlights some early discoveries about the planet's atmosphere and surface features.
Film Duration: 00:27