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Large-scale structure of the cosmos -- Astronomy and cosmology examine the universe to understand the large-scale structure of the cosmos. Currently, many large structures have been found; stars are organised into galaxies which in turn ... > full article Nucleosynthesis -- Nucleosynthesis is the process of creating new atomic nuclei from preexisting nucleons (protons and neutrons). The primordial preexisting nucleons were formed from the quark-gluon plasma of the Big ... > full article Shape of the Universe -- The shape of the Universe is a subject of investigation within physical cosmology. Cosmologists and astronomers describe the geometry of the Universe which includes both local geometry and global ... > full article Galaxy formation and evolution -- The formation of galaxies is still one of the most active research areas in astrophysics; and, to some extent, this is also true for galaxy evolution. Some ideas, however, are now widely accepted. ... > full article Big Bang nucleosynthesis -- In physical cosmology, Big Bang nucleosynthesis (or primordial nucleosynthesis) refers to the production of nuclei other than H-1, the normal, light hydrogen, during the early phases of the universe, ... > full article Multiverse -- A multiverse (or meta-universe) is the hypothetical set of multiple possible universes, including our universe, which comprise the absolute whole of physical ... > full article Ultimate fate of the universe -- The ultimate fate of the universe is a subject of study in the field of cosmology. Vying scientific theories predict whether the life of the universe is finite or infinite. Current understanding of ... > full article Supergiant -- Supergiants are the most massive stars. Supergiants can have masses from 10 to 70 solar masses and brightness from 30,000 up to hundreds of thousands times the solar luminosity. They vary greatly in ... > full article Physical cosmology -- Physical cosmology, as a branch of astrophysics, is the study of the large-scale structure of the universe and is concerned with fundamental questions about its formation and evolution. Cosmology ... > full article Dark energy -- In cosmology, dark energy is a hypothetical form of energy which permeates all of space and has strong negative pressure. According to the theory of relativity, the effect of such a negative pressure ... > full article Light-year -- A light-year or lightyear, symbol ly, is the distance light travels in vacuum in one terrestrial year. The nearest known star (other than the Sun), Proxima Centauri is 4.22 light years ... > full article Dark matter -- In cosmology, dark matter refers to hypothetical matter particles, of unknown composition, that do not emit or reflect enough electromagnetic radiation to be detected directly, but whose presence can ... > full article Astrophysics -- Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties (luminosity, density, temperature and chemical composition) of astronomical ... > full article Blue supergiant star -- Blue supergiants are supergiant stars (class I) of spectral type O. They are extremely hot and bright, with surface temperatures of between 20,000 - 50,000 degrees Celsius. The best known example is ... > full article Edwin Hubble -- Edwin Powell Hubble (November 20, 1889 - September 28, 1953) was an American astronomer, noted for his discovery of galaxies beyond the Milky Way and the cosmological redshift. Edwin Hubble was one ... > full article Galaxy -- A galaxy is a massive gravitationally bound system of stars, interstellar gas and dust, and dark matter. Typical galaxies contain ten million to one trillion stars, all orbiting a common center of ... > full article Quasar -- A quasar is an astronomical source of electromagnetic energy, including light, which shows a very high redshift. The scientific consensus is that this high redshift is the result of Hubble's law. ... > full article Star cluster -- Star clusters are groups of stars which are gravitationally bound. Two distinct types of star cluster can be distinguished: globular clusters are tight groups of hundreds of thousands of very old ... > full article Cosmic microwave background radiation -- In cosmology, the cosmic microwave background radiation is a form of electromagnetic radiation discovered in 1965. It has a thermal black-body spectrum which peaks in the microwave range. Most ... > full article Big Bang -- In physical cosmology, the Big Bang is the scientific theory that the universe emerged from a tremendously dense and hot state about 13.7 billion years ago. The theory is based on the observations ... > full article |
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Coldest Lab In Chicago To Simulate Hot Physics Of Early Universe, Explore Futuristic World Of Quantum Computing (February 24, 2007) -- Cheng Chin will make a vacuum chamber in his laboratory the coldest place in Chicago in order to simulate the impossibly hot conditions that followed the big bang during the earliest moments of the ... > full story
Cosmic Lighthouses: Astrophysicists Explain Differences In Brightness Of Supernova Explosions (February 23, 2007) -- Supernovae stand out in the sky like cosmic lighthouses. Scientists at the Max Planck Institute for Astrophysics and at the National Astronomical Institute of Italy have now found a way to use these ... > full story
Spitzer Seeks Out Milky Way Dark Matter (February 22, 2007) -- Our Milky Way galaxy is heavier than it looks, and it's not too much ice cream, or cookies, that is responsible for the extra weight -- it's "dark matter." Dark matter is one of the greatest ... > full story
Universe Offers 'Eternal Feast,' Cosmologist Says (February 22, 2007) -- There is no such thing as a free lunch, some say, but they would be wrong. In fact, the entirety of the universe defies them. According to Stanford physics Professor Andrei Linde, one of the ... > full story
Integral Expands Our View Of The Gamma-ray Sky (February 21, 2007) -- Integral's latest survey of the gamma-ray universe continues to change the way astronomers think of the high-energy cosmos. With over seventy percent of the sky now observed by Integral, astronomers ... > full story
Origin Of Darkest Galaxies In The Universe Elucidated (February 17, 2007) -- Stelios Kazantzidis, a researcher at Stanford University's Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), and collaborators have developed an elegant explanation for how galaxies ... > full story
Introducing The 'Coolest' Spacecraft In The Universe (February 12, 2007) -- The European Space Agency's Planck mission, which will study the conditions present in our universe shortly after the Big Bang, is reaching an important milestone with the integration of instruments ... > full story
Universe Contains More Calcium Than Expected (February 6, 2007) -- The universe contains one-and-a-half times more calcium than previously assumed. This conclusion was drawn by astronomers of the SRON Netherlands Institute for Space Research, after observations with ... > full story
Endless Universe Made Possible By New Model (January 31, 2007) -- A new cosmological model demonstrates the universe can endlessly expand and contract, providing a rival to Big Bang theories and solving a thorny modern physics problem, according to University of ... > full story
Gravitational Wave Background (January 31, 2007) -- In the standard model of cosmology, the early universe underwent a period of fantastic growth. This inflationary phase, after only a trillionth of a second, concluded with a violent conversion of ... > full story
James Webb Space Telescope's 'Spine' Passes Health Tests (January 30, 2007) -- The "spine" of the James Webb Space Telescope, called the backplane, is in great health for space, according to scientists and engineers. Recent tests show that the backplane, which supports the big ... > full story
NASA Helps Space Telescope Camera 'Squint' For A Better View Of Galaxies (January 26, 2007) -- NASA engineers and scientists have created something that will give better information about far away galaxies. This new creation, which will be in a future space telescope, is so tiny that it's the ... > full story
Programming the Universe : A Quantum Computer Scientist Takes On the Cosmos
Is the universe actually a giant quantum computer? According to Seth Lloyd—Professor of Quantum-Mechanical Engineering at MIT and originator of the first technologically feasible design for a ... > read more
Universe
Continuing in the bestselling tradition of Animal and Earth, DK brings you Universe - a truly definitive guide that takes you on a tour from the Solar System to the farthest limits of ... > read more
Horizons : Exploring the Universe (with TheSky CD-ROM, AceAstronomy, and Virtual Astronomy Labs)
This newly revised and updated Ninth Edition of HORIZONS shows students their place in the universe ? not just their location, but also their role as planet dwellers in an evolving universe. ... > read more
The Road to Reality : A Complete Guide to the Laws of the Universe
If Albert Einstein were alive, he would have a copy of The Road to Reality on his bookshelf. So would Isaac Newton. This may be the most complete mathematical explanation of the universe yet ... > read more
Modern Cosmology
Modern Cosmology begins with an introduction to the smooth, homogeneous universe described by a Friedman-Robertson-Walker metric, including careful treatments of dark energy, big bang ... > read more
A Brief History of Time : The Updated and Expanded Tenth Anniversary Edition
Stephen Hawking, one of the most brilliant theoretical physicists in history, wrote the modern classic A Brief History of Time to help nonscientists understand the questions being asked by scientists ... > read more
Astronomy: A Beginner's Guide to the Universe, Fourth Edition
Astronomy Today 4/e (ISBN 0-13-091542-4) is the more comprehensive text by this: proven team of authors. This twenty-eight chapter text begins with the foundations of the history of science and ... > read more
The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory
There is an ill-concealed skeleton in the closet of physics: "As they are currently formulated, general relativity and quantum mechanics cannot both be right." Each is exceedingly accurate in its ... > read more
Decoding the Universe: How the New Science of Information Is Explaining Everything in the Cosmos, from Our Brains to Black Holes
As Charles Seife reveals in this energetic new book, information theory, once the province of philosophers and linguists, has emerged as the crucial science of our time, shedding new light on the ... > read more
What the Bleep Do We Know!?™ : Discovering the Endless Possibilities for Altering Your Everyday Reality
Gravity sometimes doesn't work. Some things are both waves and particles. . .at the same time. Electrons simply disappear . . . all the time.If the universe is this wild and unpredictable, so ... > read more