The Extraterrestrial hypothesis reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Extraterrestrial hypothesis

The Extraterrestrial Hypothesis (sometimes shortened to ETH) is the notion that UFO reports are best explained as extraterrestrial craft or creatures visiting Earth

The ETH is vital to most versions of UFO Abduction reports.

Some Ufologists accept the hypothesis, but others do not.

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