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Copies of the Golden Record, sent journeying into deep space on the sides of the Voyager 1 and Voyager 2 probes in 1977, carries the sounds and music of Earth as well as a series of images to help characterize it.

The Voyager 1 probe, which launched 40 years ago today (Sept. 5), is humankind's most distant physical emissary, at almost 13 billion miles (21 billion kilometers) from Earth. Voyager 1 and its sister-spacecraft, Voyager 2, which launched two weeks earlier in 1977,

By Sarah Lewin Space.com 9-5-17

gave scientists their first close-up views of Jupiter, Saturn, Uranus and Neptune. And the spacecraft famously carried with them what could be aliens' first views of Earth, its inhabitants and their culture: copies of the Golden Record.

The astronomer and science popularizer Carl Sagan curated the record selections, and it carried sounds and music from Earth as well as greetings in 55 languages. But the record also contains encoded photos seeking to teach aliens the mathematics — or really, the measurements — needed to understand humans' lives and their place in the universe.
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When you get a chance, I would appreciate it if you would let Art Lundahl know that I have been in contact with Carl Sagan about the establishment of the UFO commission in the USSR. While Sagan is very interested in the UFO problem and in what we're doing and also in the recent developments in Russia, he felt reluctant to contact Shklovskii. ...

By Robert Lowe UFO Project Coordinator Condon Committee 12-8-1967

There is also some follow-up to do with Lundahl on the meeting that Frank Rand called, in addition to the Sagan thing. Lundahl mentioned ... a report of an analysis that was made of a piece of metal discovered after falling through the atmosphere ....
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The authors present an analysis of Apollo 15 and Lunar Reconnaissance Orbiter images of two unusual features in the crater Paracelsus C on the far side of the moon. At first glance these structures appear to be walls or towers on the lunar surface. By combining multiple images, we show the larger feature, oriented in a northeast/southwest direction, is not simply a wall but two walls on either side of a narrow valley or “passageway”. Using single image shape from shading and 3D terrain visualization we show in a

By Mark J Carlotto , Francis L Ridge and Ananda L Sirisena Journal of Space Exploration 9-30-16

computer-generated perspective view looking northeast that the southwest end appears to be the entrance to the passageway. A reverse angle view looking southwest shows the passageway ending at a rise of terrain at the other end, possibly leading underground. The terrain surrounding the two structures is not flat but appears “excavated” by some unknown mechanism, natural or artificial. It is shown that these objects are visually different from the lunar background because their underlying structure is different.


The search for extra-terrestrial intelligence (SETI) began in the 1960s with radio-telescopes and has, to date, produced no positive evidence of its existence. During these early years of SETI, Sagan [1] spoke about the possibility of extraterrestrial visitation, “It is not out of the question that artifacts of these visits still exist, or even that some kind of base is maintained
(possibly automatically) within the solar system to provide continuity for successive expeditions. Because of weathering and the possibility of detection and interference by the inhabitants of the Earth, it would be preferable not to erect such a base on the Earth’s surface. The Moon seems one reasonable alternative. Forthcoming high resolution photographic reconnaissance of the Moon from space vehicles – particularly of the back side – might bear these possibilities in mind.”
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