Its been 46 years since Frank Drake aimed an antenna at the stars in the
first modern SETI experiment. His hope was to hear a deliberate signal
guided into space by intelligent beings rather than the natural, noisy dance
of hot electrons. Since then, SETI has expanded its search space, bettered its
equipment, and refined its strategies. But the bottom line hasnt budged:
still no confirmed chitter from the cosmos.Some people mistakenly confuse a
long search with a thorough one, and figure that the lack of a SETI detection
indicates that were alone in the Galaxy. This, however, is nonsense. The
number of star systems weve carefully examined is only about a thousand.
Thats a trifling sample compared with the several hundred billion suns that
stud the Milky Way, and of little statistical significance.
Its comparable to initiating a quest for Americans who play the oboe, but
considering the search meaningful after interrogating only two people. In
addition, and of great consequence to those who actually do SETI, the speed of
the experiments is growing geometrically. Every two years, the breadth of the
search approximately doubles.
check out the full article for the top reasons suggested for why SETI hasn't
found a signal.
Source: space.com/searchforlife/seti_thursday_060720.html
Hot Spots - Paranormal Phenomena
http://www.hotspotsz.com
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