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What is the inflationary theory of cosmology? Updated 8 December 2022 (c) 2022 Introduction The “big bang” is a name given to the origin event of our universe, which scientists now date at roughly 13.8 billion years ago, according to the latest data released by the Planck project [Cho2013]. The big bang cosmology originally grew Continue reading What is the inflationary theory of cosmology? Is the universe fine-tuned for intelligent life? Updated 8 December 2022 (c) 2022 Introduction Is the universe fine-tuned for intelligent life? Many researchers in a variety of disciplines, ranging from astrobiology to cosmology and physics, have wondered why the laws of physics, the masses of fundamental particles and other facts of nature appear to be Continue reading Is the universe fine-tuned for intelligent life? Where are the extraterrestrial civilizations? (Fermi’s paradox) Updated 8 December 2022 (c) 2022 Introduction In 1950, while having lunch with colleagues Edward Teller and Herbert York, who were chatting about a recent cartoon in the New Yorker depicting aliens, physicist Enrico Fermi suddenly blurted out, “Where is everybody?,” a question now known as Fermi’s paradox. Continue reading Where are the extraterrestrial civilizations? (Fermi’s paradox) How are distances to the stars and galaxies calculated? Updated 8 December 2022 (c) 2022 Introduction Many of us, while still in grade school, learned about the staggering distances to planets, stars and galaxies. The sun is approximately 150 million km or 93 million miles away, a distance that is known as the “astronomical unit” Continue reading How are distances to the stars and galaxies calculated? How solid is the evidence for the big bang? Updated 8 December 2022 (c) 2022 Introduction The “big bang” is a name given to the origin event of our universe, which scientists now date at roughly 13.8 billion years ago, according to the latest data released by the Planck project [Cho2013]. The term was actually Continue reading How solid is the evidence for the big bang? What is the anthropic principle of cosmology? Updated 8 December 2022 (c) 2022 Definition of the anthropic principle The term “anthropic principle” was first introduced into the scientific literature in 1974 by Brandon Carter [Carter1974, pg. 291]. In discussing the “large number” coincidences then evident in physics and cosmology, Carter used the term to refer Continue reading What is the anthropic principle of cosmology? Is scientific progress real? Updated 8 December 2022 (c) 2022 Denials of scientific progress from the right and the left The fact that scientific research has made immense progress over the past years, decades and centuries is taken for granted among professional scientists and most of the lay public as well. But there are others, Continue reading Is scientific progress real? How has the idea of progress shaped modern society? Updated 8 December 2022 (c) 2022 The idea of progress in Judeo-Christian thought Robert Nisbet defines the “idea of progress” as the notion that mankind has advanced in the past, from barbarism and ignorance, is now advancing, and will continue to advance through the foreseeable future Continue reading How has the idea of progress shaped modern society? Is modern science socially constructed and forever tentative? Updated 20 April 2023 Introduction Writers from the discipline known variously as “postmodern science studies” or “sociology of scientific knowledge” are often cited in discussions of science, philosophy and religion. Some of these writers, notably Karl Popper and Thomas Kuhn, have had significant impact on the field Continue reading Is modern science socially constructed and forever tentative? Have science and religion always been at war? Updated 8 December 2022 (c) 2022 Introduction In the recent Cosmos series, as well as in some widely available science videos distributed by the Learning Company (and available on Netflix), noted physicist/cosmologist Neil deGrasse Tyson reviews, in a very entertaining yet informative way, the history of science Continue reading Have science and religion always been at war? |
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