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== An example ==

== An example ==

Many [[sciece|scientists]], observing the remarkable complexity of life (and especially of [[DNA]], the [[molecule]] that holds the complete instruction set for life), doubt strenuously that life could have originated on the earth out of non-life--a process called [[abiogenesis]]. [[Francis H. Crick]], the co-discoverer of [[DNA]], recognized this early and also is alleged to have recognized other conditions that abiogenesis would have required, that in all [[probability]] did not exist on earth. Therefore, Crick concluded that life may not have originated on earth, but was ''deposited'' on earth from outside.

Many [[sciece|scientists]], observing the remarkable complexity of life (and especially of [[DNA]], the [[molecule]] that holds the complete instruction set for life), doubt strenuously that life could have originated on the earth out of non-life--a process called [[abiogenesis]]. [[Francis H. Crick]], the co-discoverer of [[DNA]], recognized this early and also is alleged to have recognized other conditions that abiogenesis would have required, that in all [[probability]] did not exist on earth. Crick rejected out-of-hand the notion that [[God]] created life by His Divine fiat. Therefore, Crick assumed that life did ''not'' originate on earth, but was ''deposited'' on earth from outside.

How, then, did this happen? Most proponents of his outside-seeding of life, called [[panspermia]], suggest that the [[comet]]s contain the seeds of life within their tails, and the earth acquired these seeds by passing through a comet's tail. Dr. Crick and his colleague [[Leslie H. Orgel]] assumed something far more radical: that an advanced [[civilization]] built and launched a brace of intergalactic [[ballistic missile]]s, each laden with bacteria and blue-green algae, in all directions from their homeworld. One such missile crash-landed on earth, and all life on earth is the by-product of the payload of that missile.

How, then, did this happen? Most proponents of his outside-seeding of life, called [[panspermia]], suggest that the [[comet]]s contain the seeds of life within their tails, and the earth acquired these seeds by passing through a comet's tail. Dr. Crick and his colleague [[Leslie H. Orgel]] assumed something far more radical: that an advanced [[civilization]] built and launched a brace of intergalactic [[ballistic missile]]s, each laden with bacteria and blue-green algae, in all directions from their homeworld. One such missile crash-landed on earth, and all life on earth is the by-product of the payload of that missile.