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Solar System

Planets and Moons Suddenly Got Much Younger
October 20, 2002
A planet or moon covered with craters just looks old, doesn’t it?  Planetary geologists have long relied on crater counts to estimate the absolute ages of surfaces, such as on the moon, Mars, Europa, and every other solid body.  Lots of craters meant old.  Few craters meant young.  Presumably, impacting bodies came in like clockwork […]
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Physical Science

Radioactive Dating: Science or Alchemy?
September 20, 2002
Richard Kerr had some surprising things to say about uranium-lead dating in the Sept. 17 issue of Science1 – surprising, because as a believer in the method and an evolutionist, he admitted there is a fair amount of unscientific methodology and controversy involved.  “For years, different laboratories using uranium-lead radiometric dating—the gold standard of geochronology—have […]
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Dinosaurs

Waltzing with Dinosaurs
September 20, 2002
51; An international team of paleontologists wrote a kind of “State of the Tyrannosaur Address” in Science last week,1 boasting about all that is known of these creatures: Tyrannosaurs, the group of dinosaurian carnivores that includes Tyrannosaurus rex and its closest relatives, are icons of prehistory.  They are also the most intensively studied extinct dinosaurs, […]
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Uncategorized

How Did Blue Stars Get So Close to a Black Hole?
September 20, 2002
Every solution breeds new problems, Murphy’s Law suggests.  Astronomers working with the Hubble Space Telescope feel that pain.  While finding confirming evidence for a supermassive black hole at the center of the Andromeda Galaxy M31, they are perplexed to see a disk of hot blue stars orbiting it too close for comfort.  Estimated to be […]
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Fossils

Soft Squid Ink Sac Claimed to Be 150 Million Years Old
August 20, 2002
51; The BBC News announced the discovery of a fossil squid with its ink sac still intact.  “The fossil, thought to be 150 million years old, was found when a rock was cracked open, revealing the one-inch-long black ink sac.”  The ink has been sent to Yale for analysis.  An article on the Daily Mail […]
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Solar System

A “Completely Different Slant” on Solar System Formation
July 20, 2002
51; “Did great balls of fire form the planets?” New Scientist asks.  A new theory “challenges the notion that the solar system started out as a placid sea of dust motes which simply clumped together to form planets.” If accepted, it “puts a completely different slant on what happened in the early solar system in […]
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Solar System

Hiding Comets Out of Bounds
June 20, 2002
51; There’s a new theory floating around about where most of the comets came from: other stars.  For many years, astronomers hid them in an unobservable region called the Oort cloud that was assumed to be partly a remnant of the sun’s primordial disk, and material that was ejected outward.  Now, according to the BBC […]
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Astronomy

Reality or Hubris in Scientific Claims?
January 20, 2002
51; The amount of trust the public puts in scientific claims stems partly from their incomprehensibility.  The claims presented in scientific papers are often so dense and abstruse as to be unapproachable by all but specialists.  Undoubtedly many people trust scientists because of their specialized education, their knowledge of mathematics, their special equipment, and their […]
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