Models based on general relativity play an important role in astrophysics, and the success of these models is further testament to the theory’s validity. Gravitational lensing Since light is deflected in a gravitational field, it is possible for the light of a distant object to reach an observer along two or more paths. For instance, [...]
Big Bang
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The basic principles of explaining the origin of the elements and the energy generation in stars were laid down in the theory of nucleosynthesis which came together in the late 1950s from the seminal works of Burbidge, Burbidge, Fowler, and Hoyle in a famous paper and independently by Cameron. Fowler is largely credited with initiating [...]
non-standard cosmology is any physical cosmological model of the universe that has been, or still is, proposed as an alternative to the big bang model of (standard) physical cosmology. In the history of cosmology, various scientists and researchers have disputed parts or all of the big bang due to a rejection or addition of fundamental [...]
Solar astronomy The solar system is subdivided into the inner planets, the asteroid belt, and the outer planets. The inner terrestrial planets consist of Mercury, Venus, Earth, and Mars. The outer gas giant planets are Jupiter, Saturn, Uranus, and Neptune. Beyond Neptune lies the Kuiper Belt, and finally the Oort Cloud, which may extend as [...]
Cosmology is the study of the cosmos in several of the above meanings, depending on context. All cosmologies have in common an attempt to understand the implicit order within the whole of being. In this way, most religions and philosophical systems have a cosmology. In physical cosmology, the term ”cosmos” is often used in a [...]
Edward L. (Ned) Wright is an American astrophysicist and cosmologist, well known for his achievements in the COBE project and as a strong Big Bang proponent in web tutorials on cosmology and theory of relativity. Wright received his ABscl (Physics in 1969) and PhD (Astronomy in 1976) degrees from Harvard University, where he was a [...]
Big Bang nucleosynthesis= Big Bang nucleosynthesis occurred within the first three minutes of the beginning of the universe and is responsible for much of the abundance ratios of 1H (protium), 2H (deuterium), 3He (helium-3), and 4He (helium-4), in the universe . Although 4He continues to be produced by other mechanisms (such as stellar fusion and [...]
ultimate fate of the universe is a topic in physical cosmology. Many possible fates are predicted by rival scientific theories, including futures of both finite and infinite duration. Once the notion that the universe started with a Big Bang became accepted by a consensus of scientists, the ultimate fate of the universe became a valid [...]
ambiplasma that would separate naturally as annihilation reactions occurred, accompanied by a tremendous release of energy. Plasma cosmology contradicts the current consensus of astrophysicists that Einstein’s Theory of general relativity explains the origin and evolution of the universe on its largest scales, relying instead on the further development of classical mechanics and electrodynamics in application [...]
One of the main sources of confusion and ambiguity in the creation-evolution debate is the definition of ”evolution” itself. In the context of biology, evolution is simply the genetic change in populations of organisms over successive generations. However, the word has a number of different meanings in different fields, from evolutionary computation to chemical evolution [...]
Contemporary research in physics can be broadly divided into condensed matter physics; atomic, molecular, and optical physics; particle physics; astrophysics; geophysics and biophysics. Some physics departments also support research in Physics education. Since the twentieth century, the individual fields of physics have become increasingly specialized, and today most physicists work in a single field for [...]
In the big bang cosmology the entire universe was a plasma prior to recombination. Afterwards, much of the universe reionized after the first quasars formed and emitted radiation which reionized most of the universe, which largely remains in plasma form. It is assumed by many scientists that very little baryonic matter is neutral. In particular, [...]
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evolution, pangea, dinosaurs, the tree of life, darwin, mother nature, aninals, monkeys, birth, life, death, the big bang, science, philosophy, christians, egiptian, indian, myan, greek,...
www.myspace.com Before 1919, most scientists held that the universe was only as large as the Milky Way and that it was a constant size. Then,...
Rocket scientist Dr Maggie Aderin-Pocock condenses 13.7 billion years into 90 seconds as she explains the evidence for the Big Bang theory. Filmed at the...Translator
