Carl Sagan also once suggested the possibility that time travelers could be here, but are disguising their existence or are not recognized as time travelers, because bringing unintentional changes to the time-space continuum might bring about undesired outcomes to those travelers.
Time travelers could be here. Carl Sagan also once suggested the possibility this. Carl Sagan also are disguising their existence. This is because. Carl Sagan also is bringing unintentional changes to the time. Carl Sagan also are not recognized as time travelers. This was because. Carl Sagan also was bringing unintentional changes to the time. Space continuum might bring about undesired outcomes to those travelers.