Science Cosmology

Em outubro de 2017, cientistas de um dos maiores observatórios espaciais do mundo — localizado no topo de um vulcão dormente no Havaí — detectaram um objeto transitando por nosso sistema solar. A primeira hipótese foi a de que se tratava de um mero asteroide, como tantos outros que cruzaram e seguem cruzando nossa galáxia. Mas os dados coletados pelo telescópio Pan-STARRS1 revelaram detalhes curiosos, e bem anômalos, no comportamento desse visitante.

Desde Einstein, o mundo não via um cientista tão reverenciado quanto Stephen Hawking. Com seu trabalho revolucionário em física e cosmologia, ele encantou milhões de leitores com a origem do universo e a natureza dos buracos negros, além de inspirar todos pela coragem e determinação que mostrou em sua luta contra a doença do neurônio motor. Agora, nesta reunião póstuma de seus trabalhos, podemos conhecer seus pensamentos a respeito das grandes questões que povoam nossas mentes desde os primórdios e daquelas mais prementes na atualidade.

Uma das mentes mais geniais do mundo moderno, Stephen Hawking guia o leitor na busca por respostas a algumas das maiores dúvidas da humanidade: Qual a origem do universo? Ele é infinito? E o tempo? Sempre existiu, ou houve um começo e haverá um fim? Existem outras dimensões além das três espaciais? E o que vai acontecer quando tudo terminar? Com ilustrações criativas e texto lúcido e bem-humorado, Hawking desvenda desde os mistérios da física de partículas até a dinâmica que movimenta centenas de milhões de galáxias por todo o universo.

Em 2016 Stephen Hawking participou da série de palestras BBC Reith Lectures, promovida pela rede de televisão britânica BBC e transmitida pela rádio BBC 4. A cada ano uma figura proeminente em sua área é convidada a discorrer sobre temas relevantes. Naqueles meses de janeiro e fevereiro, Hawking falou sobre um assunto que há décadas ocupa lugar de destaque em suas pesquisas: os buracos negros.

Everywhere light goes, It has found that darkness is already there. Darkness is the natural state of the universe. For a star to be born, it takes an astounding number of possibilities to become a reality. From this unlikely alignment, we now have trillions of stars! Thankfully stars would progress to give us light, life, and an observable universe. No one knows how many stars exist, but we will tour a handful of the most famous in our known universe. Sit back and enjoy the world of outer space that spreads before you. Each constellation and luminary has a story that you won’t want to miss!

The universe should be fun, and you’re about to discover an audiobook that understands that, weaving humor and wit into every minute so that you not only understand what you’re listening to, but enjoy the whole process.

In 2000, Martin Bojowald, then a 27-year-old post-doc at Pennsylvania State University, used a relatively new theory called loop quantum gravity - a cunning combination of Einstein’s theory of gravity with quantum mechanics - to create a simple model of the Universe. Loop quantum cosmology was born, and with it, a theory that managed to do something even Einstein’s general theory of relativity had failed to do - illuminate the very birth of the Universe.

We have long fantasized about finding life on planets other than our own. Yet even as we become aware of the vast expanses beyond our solar system, it remains clear that Earth is exceptional. The question is: Why? In Lucky Planet, astrobiologist David Waltham argues that Earth’s climate stability is what makes it uniquely able to support life, and it is nothing short of luck that made such conditions possible. The four-billion-year stretch of good weather that our planet has experienced is statistically so unlikely that chances are slim that we will ever encounter intelligent extraterrestrial others.

An accessible look at the mysteries that lurk at the edge of the known universe and beyond. The observable universe, the part we can see with telescopes, is incredibly vast. Yet recent theories suggest that there is far more to the universe than what our instruments record - in fact, it could be infinite. Colossal flows of galaxies, large empty regions called voids, and other unexplained phenomena offer clues that our own "bubble universe" could be part of a greater realm called the multiverse.

It takes a certain amount of courage to step beyond one's day-to-day experiments and look at the big picture - and the origin of the Moon is a big picture question par excellence. Perhaps it makes sense that William Hartmann, one of the two scientists who unraveled the Moon's biggest mystery, is not only a scientist but also a part-time artist and science fiction writer. It took someone with an artist's eye and a fiction writer's speculative temperament to see the big picture....

Visualize and explore the wonders of our universe. Black holes, dark matter, space-time, gravity, light-speed, orbits, photons, dark energy, solar systems, the big bang, expansion, the shape of the universe, and even the multiverse!

Perhaps more than any other scientist of our century, Edward O. Wilson has scrutinized animals in their natural settings, tweezing out the dynamics of their social organization, their relationship with their environments, and their behavior, not only for what it tells us about the animals themselves, but for what it can tell us about human nature and our own behavior. He has brought the fascinating and sometimes surprising results of these studies to general readers through a remarkable collection of books.

An ancient document was found and its basic message is that mankind will be destroyed by an asteroid hitting Earth. To understand and assess the truth of this, Asteroid Impact: Revelation Foretells Our End reviews the purpose of Revelation, who wrote it, and why and how it was written. The book explores the scientific facts upon which the predictions of the Bible are based and analyzes the history of asteroid impacts on Earth in order to assess the accuracy of Biblical predictions.

The Short Story of the Universe is a new introduction to the subject of the universe. Covering 130 key components that make it up - from dwarf galaxies and spiral arms to red giants and the planets of the solar system - and linking these to the universe's structure and the theories that help us understand it, this book simplifies this riveting yet mind-boggling subject, telling the story of how it came into being and how it will eventually be no more.

Cosa succederebbe se la Terra orbitasse attorno a un buco nero? E se dalla sua superficie sparissero tutti gli oceani? E se venisse colpita da una supertempesta solare? E il Sole, appunto: se un giorno levassimo il naso all'insù senza più vederlo? Se qualcuno volesse improvvidamente tentare di spegnerlo con una gigantesca secchiata d'acqua? (Spoiler: sarebbe una pessima idea.) E la Luna! Cosa accadrebbe se una notte in cielo ne spuntassero due? Raddoppierebbe la poesia o ci ritroveremmo non esattamente nelle condizioni ideali per apprezzare la cosa?

¿Cuáles son los mayores retos con los que se presenta el planeta, cuáles las mayores amenazas, dónde buscar la solución a los descomunales problemas con los que se enfrenta nuestra generación y las futuras? El origen y evolución del universo, la naturaleza del tiempo, la estructura de la materia, el infinito,las estrellas fugitivas, las ondas gravitacionales…Estos son algunos de los grandes temas que Rafael Bachiller aborda en este libro tanto desde un punto de vista científico como desde una perspectiva filosófica y humanista.

¿Cuáles son los mayores retos con los que se presenta el planeta, cuáles las mayores amenazas, dónde buscar la solución a los descomunales problemas con los que se enfrenta nuestra generación y las futuras? El origen y evolución del universo, la naturaleza del tiempo, la estructura de la materia, el infinito,las estrellas fugitivas, las ondas gravitacionales…Estos son algunos de los grandes temas que Rafael Bachiller aborda en este libro tanto desde un punto de vista científico como desde una perspectiva filosófica y humanista.

Het laatste boek van professor Stephen Hawking. Hoe is alles begonnen? Is er intelligent leven elders in het heelal? Kunnen we de toekomst voorspellen? Bestaat er een God? Wat zit er in een zwart gat? Zijn tijdreizen mogelijk? Zullen we overleven op aarde? Moeten we de ruimte koloniseren? Zal kunstmatige intelligentie slimmer worden dan wij? Hoe geven wij de toekomst vorm? De wereldberoemde wetenschapper en bestsellerauteur Stephen Hawking laat ons zijn laatste ideeën over de grootste vragen van het universum na in dit briljante postuum uitgegeven werk.

“Cosmos” comes from a Greek word for an orderly and systematic universe. In this book, we present the most riveting discoveries and mind-bending ideas about our cosmic home, from what we know of the origins of the universe and the cartography of space to the most bizarre phenomena and the search for life. Discussions include the possibility that the big bang was the consequence of a black hole in a fourth spatial dimension, that cosmic ripples created infinite universes, that entangled black holes could act as wormhole-like passageways through space, and much more.

The science behind the debate raging in modern physics over the disconcerting and uncomfortable realization that just maybe there is, as astronomer Fred Hoyle put it, some sort of "superintellect that has monkeyed with the physics". Written with the non-scientist in mind, this exploration of the big bang, Schroedinger's cat, the chaos of 9/11, the complexity of the mimic octopus and the blister beetle, and the strong anthropic principle is accessible to anyone bright enough to be interested.