2/2: ClassicKenCroswell: Remembering the Voyager Twins: The Voyager Twins chatting for eternity. Ken Croswell. The Lives of Stars.
Jun 20, 2022, 02:28 AM
Photo: Record sent to extraterrestrials.
In the upper left-hand corner is an easily recognized drawing of the phonograph record and the stylus carried with it. The stylus is in the correct position to play the record from the beginning. Written around it in binary arithmetic is the correct time of one rotation of the record, 3.6 seconds, expressed in time units of 0,70 billionths of a second, the time period associated with a fundamental transition of the hydrogen atom. The drawing indicates that the record should be played from the outside in. Below this drawing is a side view of the record and stylus, with a binary number giving the time to play one side of the record - about an hour.
Voyager 1 is a space probe launched by NASA on September 5, 1977, as part of the Voyager program to study the outer Solar System and interstellar space beyond the Sun's heliosphere.
2/2: ClassicKenCroswell: Remembering the Voyager Twins: The Voyager Twins chatting for eternity. Ken Croswell. The Lives of Stars.
Ken Croswell. The Lives of Stars.
In the upper left-hand corner is an easily recognized drawing of the phonograph record and the stylus carried with it. The stylus is in the correct position to play the record from the beginning. Written around it in binary arithmetic is the correct time of one rotation of the record, 3.6 seconds, expressed in time units of 0,70 billionths of a second, the time period associated with a fundamental transition of the hydrogen atom. The drawing indicates that the record should be played from the outside in. Below this drawing is a side view of the record and stylus, with a binary number giving the time to play one side of the record - about an hour.
Voyager 1 is a space probe launched by NASA on September 5, 1977, as part of the Voyager program to study the outer Solar System and interstellar space beyond the Sun's heliosphere.
2/2: ClassicKenCroswell: Remembering the Voyager Twins: The Voyager Twins chatting for eternity. Ken Croswell. The Lives of Stars.
Ken Croswell. The Lives of Stars.
Proceedings of the National Academy of Sciences: https://www.pnas.org/content/118/17/e2106371118