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" "I worry that, especially as the Millennium edges nearer, pseudo-science and superstition will seem year by year more tempting, the siren song of unreason more sonorous and attractive. Where have we heard it before? Whenever our ethnic or national prejudices are aroused, in times of scarcity, during challenges to national self-esteem or nerve, when we agonize about our diminished cosmic place and purpose, or when fanaticism is bubbling up around us-then, habits of thought familiar from ages past reach for the controls. The candle flame gutters. Its little pool of light trembles. Darkness gathers. The demons begin to stir.
Carl Edward Sagan (9 November 1934 – 20 December 1996) was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space, the Pioneer plaque and the Voyager Golden Record, universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. Sagan argued the hypothesis, accepted since, that the high surface temperatures of Venus can be attributed to, and calculated using, the greenhouse effect. He testified to the US Congress in 1985 that the greenhouse effect will change the earth's climate system.
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La tierra constituye sólo una pequeña fase en medio de la vasta arena cósmica. Pensemos en los ríos de sangre derramada por tantos generales y emperadores con el único fin de convertirse, tras alcanzar el triunfo y la gloria, en dueños momentáneos de una fracción del puntito. Pensemos en las interminables crueldades infligidas por los habitantes de un rincón de ese pixel a los moradores de algún otro rincón, en tantos malentendidos, en la avidez por matarse unos a otros, en el fervor de sus odios.
Nuestros posicionamientos, la importancia que nos auto atribuimos, nuestra errónea creencia de que ocupamos una posición privilegiada en el universo son puestos en tela de juicio por ese pequeño punto de pálida luz. Nuestro planeta no es más que una solitaria mota de polvo en la gran envoltura de la oscuridad cósmica. Y en nuestra oscuridad, en medio de esa inmensidad, no hay ningún indicio de que vaya a llegar ayuda de algún lugar capaz de salvarnos de nosotros mismos.
Science is more than a body of knowledge; it is a way of thinking. I have a foreboding of an America in my children’s or grandchildren’s time — when the United States is a service and information economy; when nearly all the key manufacturing industries have slipped away to other countries; when awesome technological powers are in the hands of a very few, and no one representing the public interest can even grasp the issues; when the people have lost the ability to set their own agendas or knowledgeably question those in authority; when, clutching our crystals and nervously consulting our horoscopes, our critical faculties in decline, unable to distinguish between what feels good and what’s true, we slide, almost without noticing, back into superstition and darkness. The dumbing down of America is most evident in the slow decay of substantive content in the enormously influential media, the 30-second sound bites (now down to 10 seconds or less), lowest common denominator programming, credulous presentations on pseudoscience and superstition, but especially a kind of celebration of ignorance. As I write, the number-one videocassette rental in America is the movie Dumb and Dumber. “Beavis and Butthead” remain popular (and influential) with young TV viewers. The plain lesson is that study and learning — not just of science, but of anything — are avoidable, even undesirable.
When it got to be time to design the week — a period of time, unlike the day, month, and year, with no intrinsic astronomical significance — it was assigned seven days, each named after one of the seven anomalous lights in the night sky. We can readily make out the remnants of this convention. In English, Saturday is Saturn’s day. Sunday and Mo[o]nday are clear enough. Tuesday through Friday are named after the gods of the Saxon and kindred Teutonic invaders of Celtic/Roman Britain: Wednesday, for example, is Odin’s (or Wodin’s) day, which would be more apparent if we pronounced it as it’s spelled, “Wedn’s Day”; Thursday is Thor’s day; Friday is the day of Freya, goddess of love. The last day of the week stayed Roman, the rest of it became German.