Rafael Maldonado <rafael at howard.genetics.utah.edu> writes:
>On 26 Oct 1995, Kardo6 wrote:
>>>> I have heard that viruses can live for thousands of years without dying
>> because when not attacking living cells, they do not metabolize. If this
>> is true is it concievable that viruses could survive the vacuum and vast
>> distances of space and travel between planets, could some of the viruses
>> of earth in fact be aliens.
>Sure. The family rocketviridiae is belived to belong to the Alpha Centauri
>solar system. The capside looks like a spacial rocket form some old
>Flash Gordon comic. They have a propulsion system wich alows them to
>cross million or year-light of distance. Moreover, the genetic material
>of those viruses is some kind of silica-mercury compound, very common in
>Alpha Centauri ecosystems.
Only partly right. Although the family is called rocketviridiae, from their
rocket-like shape when viewed under an eletron microscope , they do not use
rockets to travel between solar systems. They are pushed between the stars
by the pressure of sunlight, sort of like tiny solar sails.