Robert H. Gray
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View article: Could the "Wow" signal have originated from a stochastic repeating\n beacon?
Could the "Wow" signal have originated from a stochastic repeating\n beacon? Open
The famous "Wow" signal detected in 1977 remains arguably the most compelling\nSETI signal ever found. The original Big Ear data requires that the signal\nturned on/off over the span of ~3 minutes (time difference between the dual\nantenna…
View article: The Extended Kardashev Scale
The Extended Kardashev Scale Open
A scale is described for classifying civilizations according to the amount of power they produce, using the whole numbers 0 through 4 to denote 10 6 , 10 16 , 10 26 , 10 36 , and 10 46 W corresponding to the approximate power available at …
View article: A VLA Search for Radio Signals from M31 and M33
A VLA Search for Radio Signals from M31 and M33 Open
Observing nearby galaxies would facilitate the search for artificial radio signals by sampling several billions of stars simultaneously, but few efforts have been made to exploit this opportunity. An added attraction is that the Milky Way …
View article: The Fermi Paradox Is Neither Fermi's Nor a Paradox
The Fermi Paradox Is Neither Fermi's Nor a Paradox Open
The so-called Fermi paradox claims that if technological life existed anywhere else, we would see evidence of its visits to Earth--and since we do not, such life does not exist, or some special explanation is needed. Enrico Fermi, however,…