The Sky at Night

Name: The Sky at Night S27E7 - Pioneering the Heliosphere
Uploaded: 1983-07-03
Description: Two rocket probes, Pioneers 10 and 11, are on their way out of the solar system. They are sending back new information about the heliosphere, that part of space in which the influence of the sun is dominant. Patrick Moore and Iain Nicolson talk about the outer heliosphere, and also the search for a possible planet moving beyond the paths of Neptune and Pluto.