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Carl Sagan

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Carl Sagan (1934-1996) was an American astronomer, astrophysicist, and science communicator known for his work in popularizing science, particularly through the television series "Cosmos." He contributed significantly to planetary science and the search for extraterrestrial life, advocating for scientific skepticism and the importance of scientific literacy in society.
lightbulbAbout this topic
Carl Sagan (1934-1996) was an American astronomer, astrophysicist, and science communicator known for his work in popularizing science, particularly through the television series "Cosmos." He contributed significantly to planetary science and the search for extraterrestrial life, advocating for scientific skepticism and the importance of scientific literacy in society.
A short qualitative notice, why the space has to be empty - and in our time-slice there are no or very few intelligent aliens in  range for warp-drive travel in the galaxy.
atching mainstream science in America under attack by the US federal and many state governments, most scientists and health care providers are wondering how this could be happening. The USA is a nation with an amazing history of research... more
A gran escala, las galaxias forman supercúmulos. Nuestra Vía Láctea forma parte del Grupo Local, que a su vez forma parte del Cúmulo de Virgo, que a su vez forma parte de un supercúmulo mayor: Laniakea. Y como todos los supercúmulos del... more
Türkçe versiyonu aşağıda / Turkish version below "Look again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives.... more
Two influential communicators of science & natural history, Carl Sagan and Carl Kauffeld, shared a summer together in Far West Texas in 1956. The two Carls—both science popularizers and both from New York—would finish out their shared... more
The digital revolution driven by global connectivity, computing as a utility, artificial intelligence, and information sharing on an unprecedented scale is forcing the redefinition of intelligence in a broader context that extends beyond... more
Here's my theory, laid out in an engaging and presentable manner: Naveen Kharwal's "The Three Stages of Human Evolution: A Cosmic Journey" presents a captivating theory about humanity's past, present, and future, intricately tied to... more
This paper proposes a novel theoretical framework named Technological Singularity despite Decentralized Consumption (TSDC), which challenges the conventional notion that advanced civilizations require exponentially increasing energy... more
by CECO OSSC and 
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En el presente trabajo breve, se prevé un acercamiento general al pensamiento de Carl Sagan, para luego centrarse, dentro de ese marco, en los alcances de teología natural que se desprenden de sus obras, particularmente de su novela... more
Today, humanity is experiencing an unprecedented global crisis in international relations: political instability, economic imbalance, ideological fragmentation, and escalating military confrontations. The legal, moral, and spiritual norms... more
On Cosmic Clocks and the Cycles of Eons is a complex metaphysical-philosophical treatise exploring the temporal and cosmic structures underpinning existence. The author investigates the interplay of space, time, matter, and consciousness... more
The "Curse of Nature" theory proposes that Earth has experienced cycles of domination by different species, each eventually facing its own extinction. From the reign of dinosaurs, through the rise of human civilization, to the current era... more
Üçüncül nesil bir yıldız olduğu tahmin edilen ve teknik olarak bir sarı cüce olan Güneş’imiz, elbette sistemimizin ve gezegenimizdeki hayatın en önemli kaynağıdır. Sistemimiz ise pek çok konuda kendine has yönler barındırmaktadır. Örneğin... more
This essay explores electricity as more than just a utility—it reveals it as a foundational force that governs life from the atomic to the societal level. As a passionate thinker from Tanzania with no formal scientific background, I aim... more
Hay autores que consideran al divulgador científico Carl Sagan como un crítico hostil a las religiones que siempre las vio como opuestas y enfrentadas al pensamiento racional y a la ciencia. Aquí se argumentará que Sagan no fue un simple... more
Neste ano, a missão Cassini-Huygens completa cinco anos desde seu desfecho quando foi lançada propositalmente para colidir contra a espessa atmosfera do nosso grandioso Senhor dos Anéis. Durante quase vinte anos, esta missão obteve... more
Energía y materia: Sin Energía no es posible la realidad en ninguna de sus formas y, mucho menos, la Vida en cualquiera de sus manifestaciones. Se llama a la Energía el corazón de la Materia... Sin duda que es eso y también el punto de... more
This paper explores the concept of extraterrestrial life by synthesizing information from astrobiology, astronomy, and technological advancements in the search for aliens. It examines key questions about the conditions required for life,... more
Sepharial tarafından yazılmış ve Project Gutenberg tarafından dijitalleştirilmiş "Astroloji: Kendi Burç Yorumunuzu Nasıl Yaparsınız ve Okursunuz" ismi ile Türkçe'ye tercüme ettiğim bu eser meraklıları için astroloji kılavuzudur . Kitap,... more
İnsanlık yüzyıllar boyunca üzerinde yaşadığı dünyayı anlamaya çalışırken, aslında onun hakkında ne kadar az şey bildiğini fark edebildi mi? Haritalarda “Terra Incognita” olarak işaretlenen keşfedilmemiş bölgeler, bilinmeyenin yarattığı... more
Bilimsel olarak kanıtlanmayan bilgiler "mucize" olamaz. 34 yıl önce hazırlanan bu yazı,1990 yılı 18 Şubat'ta TRT televizyonunda yayımlanan bir programa değinmektedir. Program sonrasında hemen kaleme alınan yazı notlarım arasında... more
O Modelo Núvem propõe uma alternativa ao modelo padrão de compreensão do universo, inspirando-se em dinâmicas observáveis na natureza, como a formação e transformação das nuvens. O livro explora a ideia de que o universo se expande e... more
O Modelo Núvem propõe uma alternativa ao modelo padrão de compreensão do universo, inspirando-se em dinâmicas observáveis na natureza, como a formação e transformação das nuvens. O livro explora a ideia de que o universo se expande e... more
Do images provide a foundation for interstellar communication that is relatively unam- biguous? Is there something special about images that makes them a universal medium of communication, likely to be understood with little difficulty by... more
Every one of us are formers of consciousness, we are forgers of alternatives, and we look to those who can emancipate themselves from the bodily. We will be able to advance towards Asgardia. What does it mean in philosophical terms to... more
Questão de Fermi, mais conhecida como "Paradoxo de Fermi", analisa o paradoxo aparente seguinte: "Se existem muitas civilizações tecnológicas alienígenas na Via Láctea e no Universo, por que não descobrimos sinais ou vestígios de nenhuma... more
Carl Sagan fue un astrónomo, astrofísico, cosmólogo, autor y divulgador científico estadounidense, conocido por su capacidad para explicar conceptos científicos complejos al público en general. Fue una de las personas más prolíficas del... more
An important priority for the coming decades will be to face up to the possibility that as an intelligent life-form on Earth capable of wreaking untold damage to our biosphere, we may not be alone. The possible presence of intelligent... more
What would intelligent Extraterrestrials say about us humans? According to the Director of the European Institute for Migration and Social Inclusion IEM, Rodolfo Valentino, his verdict would be devastating, because the image that "The... more
No presente trabalho apresentamos resenhas críticas dos livros/séries "A Escalada do Homem" de Jacob Bronowski e "Cosmos" de Carl Sagan. As resenhas foram realizadas capítulo/episódio a capítulo/episódio. Em certo sentido "Cosmos" pode... more
Apresentamos a tradução comentada do famoso tratado de Arquimedes de Siracusa "O Contador de Areia". Arquimedes se propôs a determinar um limite superior para o número de grãos de areia que caberiam no 'Universo' de sua época. Ele usou... more
This essay explores the psychological freedom that emerges from the acceptance of death, arguing that it should not be seen as merely a one-sided freedom of death without the complementary freedom of life. While death is often met with... more
In contemporary society, a substantial divide exists between the realms of "Science" and "Humanities." The growing divide has reached a level where reading Shakespearean literature and comprehending the Third law of Thermodynamics are... more
Estudio comparativo entre la técnica oscilométrica y el método de Riva-Rocci para la medición no-invasiva de la presión arterial en el medio ambiente hospitalario
Ranger-III 26. Ranger-IV 27. Mariner-I 28. [Venera, 2MV-1 no.3] 29. Mariner-II 30. [Venera, 2MV-1 no.4] 31. [Venera, 2MV-2 no.1] 32. Ranger-V 33. [Mars, 2MV-4 no.3] 34. Mars-1 35. [Mars, 2MV-3 no.1] 1963 senesindeki seferler ………………………..... more
Ranger-III 26. Ranger-IV 27. Mariner-I 28. [Venera, 2MV-1 no.3] 29. Mariner-II 30. [Venera, 2MV-1 no.4] 31. [Venera, 2MV-2 no.1] 32. Ranger-V 33. [Mars, 2MV-4 no.3] 34. Mars-1 35. [Mars, 2MV-3 no.1] 1963 senesindeki seferler ………………………..... more
Monografia apresentada junto ao Curso de Licenciatura em Física da UFRJ, como requisito parcial para obtenção do diploma.
A área central do Município Curuçá, no Pará, possui um significativo número de lagos de forma circular, característico de crateras formadas por impacto de asteroides ou meteoritos. Analisando dados de passagens de cometas massivos ... more
Çağımızda gelişmişliğin bir ölçütü de halkın bilgi ve kültür düzeyidir. İleri ülkelerde bu düzeyi yükseltmek amacıyla basın yayın organlarıyla yayıncılığın el ele verdiğini görmekteyiz. Bilimsel konuları geniş yığınlara tanıtma, sevdirme... more
What would intelligent Extraterrestrials say about us humans? According to the Director of the European Institute for Migration and Social Inclusion IEM, Rodolfo Valentino, her/his verdict would be devastating, because the image that "The... more
What would intelligent Extraterrestrials say about us humans? According to the Director of the European Institute for Migration and Social Inclusion IEM, Rodolfo Valentino, his verdict would be devastating, because the image that "The... more
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