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Reference Desk
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Why You May Never See A Flying Saucer!
Many people who deny the existence of UFOs do so because they have
not seen one and, indeed, do not even know how to go about observing UFOs
and TLOs.
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The "classic" sighting is
one where the witness sees a three-dimensional, metal object
hovering in the sky at low altitude or very near (if not touching)
the ground, usually in a remote area and generally when the witness
is alone.
The witness is so bedazzled by the appearance of the craft that they
cannot give a good description of it and cannot recall many of the
important details, including its actual shape! But UFOs must
come from somewhere and go to somewhere on or near Earth. |
That means they may traverse the
skies from coast to coast all the time at speeds too fast to record by the
human eye or mind except, perhaps, subconsciously. Even cameras with fast
film and high shutter speeds may often be inadequate to record the flights
of these craft. Here's why:
Let us assume, for purposes of illustration, that a bright craft 500 feet
in diameter and moving at 15,000 miles per hour enters the atmosphere and
could be seen by a steady human eye at an altitude of 30,400 feet (5
nautical miles). Let's say it is first observed moving East to West at a
slant range of 200 miles by a person in St. Louis, Missouri. When first
seen, the UFO would be somewhere over southern Indiana generally above
Evansville.
At a speed of 15,000 miles per hour the UFO would be directly above St.
Louis in about 40 seconds. Forty seconds later, it would disappear from
sight in the West above Kansas City. The
UFO would have traveled some 400 miles in about 80 seconds.
Since the human eye generally cannot acquire objects that small at
distances so great, we must confine the area of sighting to about 100
miles total (50 miles on either side of the observer) in clear sky with
unlimited visibility. The entire sighting area would be restricted to a
line no greater
than the distance from St. Louis to Hannibal, Missouri (or perhaps to
Quincy, Illinois).
The UFO would traverse the 100 miles in 25 seconds if moving at a speed of
15,000 miles per hour.
But assume the UFO is moving at a speed of 200 km (124 miles) per second,
a speed estimated as that of the craft photographed orbiting our moon. At
that speed the UFO would travel through the area of sighting in less than
one-half second! Unless you were looking directly at it and knew which
direction it would be moving; unless your camera was pointed at exactly
the spot where it would first appear, was on and recording, and unless you
could pan with the object as it passed overhead, you would not even see it
or know that it flew over your cities!
At 200 km per second (450,000 miles per hour), the UFO would make the
entire trip from Key West, Florida to Victoria, BC, a distance of some
3000 miles in about 24 seconds! It would not
be in your field of view long enough for your brain to record its passing!
To make matters worse, we have completely discounted clouds, trees or
buildings which might obstruct our view of the skies. If the sighting was
recorded at night and if the UFO was seen
as light reflected from the setting sun (rather than transmitted), it
would reach a point in its passing where it would move beyond the
terminator and would no longer reflect light from the sun. For all
practical purposes, it would become invisible to the unaided human eye at
that point.
UFO Article
Copyright Evergreen Publishing
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