Among the first methods that were used was to send a message using either vehicles used for travelling in space or to transmit a signal via radio telescope. Are we alone? Is there other life out there? If yes, what is it like? Is it humanoid? With the advent of the Space Age, era beginning in the form of the first space travel in 1957 (Sputnik 1) and the concurrent advancements in space technologies, it became more plausible for scientists to take on the age-old question and attempt to actively search for life beyond our planet. Human fascination with, and curiosity about, the yet unanswered question about whether we are the only life forms and the only intelligent species in the Universe has been puzzling generations of thinkers, scientists, and writers. The Pioneering Missions of the Pioneer and Voyager Probes The overview includes the visual and audio part of the Voyager message and is focused around the questions for what types of information were included, what methods were used to communicate the information and how were humans introduced to the unknown receiver. After a description of the two famous American interstellar messages, this article gives a basic introduction to their contents using some of the photographs available in the public domain. Having left the boundaries of the Solar System and moving through interstellar space, the space probes still carry messages with information about their makers and their era. National Aeronautics Space Administration (NASA).

This article gives a brief overview of how human life is represented on the 1972 Pioneer Pioneer 11 plaques and on the 1977 Voyager 1 and 2 Golden Records, sent on their journeys to deep space by the U.S. 2The Pufendorf Institute for Advanced Studies, Lund University, Lund, Sweden.1Department of Anthropology, Durham University, Durham, United Kingdom.

Unknown space pioneer