Are We Alone in the Cosmos?

Are We Alone in the Cosmos?

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Essays document the searchthe farthest parts of the Galaxy, they also happen to fall in the part of the spectrum where the background emissions from natural sources have minimum intensity. ... (See Figure 2.) On a graph, with background noise plotted on the vertical scale and frequency plotted along the horizontal scale, the ... This spurious noise grows stronger with increasing frequency, but the impact of this effect occurs well above the frequencies that are completely blocked in our atmosphere by oxygen.

Title:Are We Alone in the Cosmos?
Author:Ben Bova, Byron Preiss, William R. Alschuler, Howard Zimmerman
Publisher:iBooks - 1999


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