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Cosmology

Theory Battles Observations in Near-Field Cosmology
July 23, 2006
Which is more important in science: a consistent model, or a good fit with observations?  Clearly both would be the ideal.  A report in Science1 this week revealed that astronomers are having trouble holding the two together.  The problem is especially acute for near-field cosmology that deals with nearby galaxies.     It may seem […]
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Astronomy

Paper View:  Why SETI Hears Only a “Great Silence”
June 30, 2006
Enrico Fermi posed a curious question in 1950: “Where is everybody?”  If life emerges on planets as a consequence of evolution, there should be other intelligent civilizations out there, and some of them must have colonized other worlds.  He thought there must have been plenty of time for galactic colonizers to achieve technologies far beyond […]
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Cosmology

The Universe Is Made Out of… Fudge!
June 7, 2006
[Guest article]  According to the July issue of Astronomy magazine, the Universe is comprised mostly of fudge – or at least fudge factors, anyway.  The article by James Trefil from George Mason University describes the current thinking among astrophysicists as to the eventual fate of the universe.  Since the Big Bang, there has been an […]
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Bible and Theology

Paper View:  Cosmic Questions, Personal Implications
May 11, 2006
A good question provokes good thinking.  It stimulates the imagination and inspires reasoning about profound issues.  It focuses attention on problems, calls for clarification of assumptions, and leads to good follow-up questions, too.  Such a good question was asked in four simple words by Sean M. Carroll1 (U of Chicago, Enrico Fermi Institute) this month […]
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Cosmology

Unconstant Constant Could Challenge Basic Physics
April 27, 2006
“Shifting constant could shake laws of nature,” said Mark Peplow in Nature.1  “From the speed of light to the charge on an electron, the fundamental constants of physics had been assumed to be immutable,” he continued.  “But that comfortable assumption is being challenged.”  The latest challenge is ratio of the mass of a proton to […]
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Astronomy

More Hints at Early Origin of Stars, Galaxies
March 31, 2006
Several articles this month showed further evidence for a growing realization in astronomy: stars and galaxies were already mature at the beginning of the universe (see, for instance, 09/21/2005 entry).  Some recent examples: Spitzer Clusters:  JPL issued a press release stating that the Spitzer Space Telescope, on a “cosmic safari,” found evidence for clusters of […]
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Astronomy

Spiral Galaxies Wind Up Into Blurs In Short Cosmological Time
March 4, 2006
Cosmic billions of years have received another challenge from the physics of spiral arms in spiral galaxies.
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Cosmology

Big Bang Threatened by Axis of Evil
February 3, 2006
“We thought we knew all about the Big Bang – but a blip in the cosmic afterglow is threatening our ideas,” reported Marcus Chown in The Independent.  The “Axis of Evil” he speaks of is not North Korea and Iran, but a newly found polarity in the cosmic background radiation that is not explainable by […]
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Cosmology

ID Film Takes Hollywood
January 15, 2006
Grauman’s Chinese Theater on Hollywood Boulevard is a top tourist attraction in Tinseltown.  It features dozens of handprints of famous movie and TV stars, from Lucille Ball and Bill Cosby to Mickey Mouse.  This venue of many a blockbuster and glitzy opening night seemed hardly a place for naturalistic cosmology to take a thrashing, but […]
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Cosmology

Cosmologists Can’t Escape Conclusion of Design
January 4, 2006
Geoff Brumfiel of Nature1 decided to investigate the growing fracas over the anthropic principle (see 12/18/2005 entry); i.e., that our universe appears to be more than a coincidence.  In a piece called “Our universe: Outrageous fortune,” he looked at the views of Leonard Susskind and his few critics. For two decades now, theorists in the […]
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Cosmology

Choose You This Day: Multiverse or I.D.
December 18, 2005
If Leonard Susskind is right, cosmologists are escaping the conclusion of intelligent design (ID) by backing into a radically speculative idea: a near infinity of universes.  Susskind, a theoretical physicist from Stanford, just published a book, Cosmic Landscape: String Theory and the Illusion of Intelligent Design (Little, Brown 2005), that explores current cosmological thinking about […]
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Cosmology

SETI vs. Intelligent Design
December 3, 2005
Intelligent Design proponents have often pointed to the similarity between what they are doing and what SETI is doing.  For example, SETI is attempting to detect evidence of intelligence in coded signals from space, and design biologists are detecting evidence of intelligence in the DNA code.  Seth Shostak, Director of the SETI Institute, decided to […]
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Cosmology

Grown Man in the Stellar Crib: Now What?
October 14, 2005
The cover of Science News has a strange cartoon explained on the inside in an article by Ron Cowen: Imagine peering into a nursery and seeing, among the cooing babies, a few that look like grown men.  That’s the startling situation that astronomers have stumbled upon as they’ve looked deep into space and thus back […]
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Cosmology

Another Record Distant Galaxy Found
September 29, 2005
The Spitzer Space Telescope found a “positively gigantic” galaxy at a time the universe was supposedly only 800 million years old – just 5% the assumed age of the universe – according to a press release from Jet Propulsion Lab.  For the galaxy to be this big that far back, it must have “bulked up […]
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Cosmology

Carl Sagan’s Cosmos Is Back
September 27, 2005
MSNBC News reported that Carl Sagan’s popular 13-part series Cosmos is returning to TV this week, digitally remastered and enhanced with new up-to-date animations.  The 1980 series, which began with its own Agnus Dei invocation “The cosmos is all that is, all that ever was, and all that ever will be,” went far beyond the […]
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