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Message in a bottle

Extraterrestrial civilizations may find it more efficient to communicate by sending material objects across interstellar distances rather than beams of electromagnetic radiation.

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Figure 1: Is there anybody out there?



  1. Cocconi, G. & Morrison, P. Nature 184, 844–846 (1959).

    ADS  Article  Google Scholar 

  2. Rose, C. & Wright, G. Nature 431, 47–49 (2004).

    ADS  CAS  Article  Google Scholar 

  3. Bracewell, R. Nature 187, 670–671 (1960).

    ADS  Article  Google Scholar 

  4. Papagiannis, M. Q. J. R. Astron. Soc. 19, 277–281 (1978).

    ADS  Google Scholar 

  5. Murphy, C. Atlantic 277, No. 5, 20–22 (1996).

    Google Scholar 

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Sullivan, W. Message in a bottle. Nature 431, 27–28 (2004).

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