Cosmic Call

Cosmic Call
RT-70 in Yevpatoria

Cosmic Call was the name of two interstellar radio messages that were sent from RT-70 in Yevpatoria in 1999 and 2003 to various nearby stars. The messages were designed with noise resistant format and characters.

The project was funded by Team Encounter, a Texas-based startup that went out of business in 2004.[1]

Each Cosmic Call 1 session had the following structure—Scientific Part was sent three times, Public Part (PP) was sent once, according with the next arrangement:

DDM Right arrow.svg BM Right arrow.svg AM Right arrow.svg ESM Right arrow.svg DDM Right arrow.svg BM Right arrow.svg AM Right arrow.svg ESM Right arrow.svg DDM Right arrow.svg BM Right arrow.svg AM Right arrow.svg ESM Right arrow.svg PP,

where DDM is Dutil-Dumas Message, created by Canadian scientists Yvan Dutil and Stephane Dumas, BM is Braastad Message, AM is Arecibo Message, ESM is Encounter 2001 Staff Message; more details present at Report on Cosmic Call.

Each Cosmic Call 2 session had the following structure:

DDM2 Right arrow.svg DDM2 Right arrow.svg DDM2 Right arrow.svg AM Right arrow.svg AM Right arrow.svg AM Right arrow.svg BIG Right arrow.svg BIG Right arrow.svg BIG Right arrow.svg BM Right arrow.svg ESM Right arrow.svg PP,

where DDM2 is modernized DDM, BIG is Bilingual Image Glossary; more details present at Synthesis and Transmission of Cosmic Call 2003 Interstellar Radio Message.

The messages were sent to the following stars:[2]

Name Designation HD Constellation Date sent Arrival date Message
16 Cyg A HD 186408 Cygnus May 24, 1999 November 2069 Cosmic Call 1
15 Sge HD 190406 Sagitta June 30, 1999 February 2057 Cosmic Call 1
HD 178428 Sagitta June 30, 1999 October 2067 Cosmic Call 1
Gl 777 HD 190360 Cygnus July 1, 1999 April 2051 Cosmic Call 1
Hip 4872 Cassiopeia July 6, 2003 April 2036 Cosmic Call 2
HD 245409 Orion July 6, 2003 August 2040 Cosmic Call 2
55 Cnc HD 75732 Cancer July 6, 2003 May 2044 Cosmic Call 2
HD 10307 Andromeda July 6, 2003 September 2044 Cosmic Call 2
47 UMa HD 95128 Ursa Major July 6, 2003 May 2049 Cosmic Call 2

See also

References

External links



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