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Solar System

Short-Term Flings at Saturn’s Rings
September 16, 2008
The Saturn system is assumed to be 4.5 billion years old like the rest of the solar system.  What mean the delicate dances of ring particles that have been observed by Cassini lately?  One would think moons and particles had pretty much settled into a stable old age by now, but no: some things change […]
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Amazing Facts

Star Death Amazing – but Puzzling
September 13, 2008
Twinkle, twinkle, little stBOOM!  The explosions of some dying stars are so powerful yet so rapid, mere measurements seem inadequate to describe them.  Two death-star events were reported in recent articles.  Despite the bravado of textbook orthodoxy, the articles both mentioned that astronomers really don’t understand what’s going on all that well.     Eta […]
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Solar System

Comet Conundrums Resist Bluffing
September 9, 2008
Scientists may claim they are learning about the origin of the solar system, but the fine print shows them scratching their heads.  This is apparent in a couple of discoveries about comets this week.     One Science Daily article is entitled, “Comets Throw Light On Solar System’s Beginnings.”  Scientists at the UK’s national synchrotron […]
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Physics

Modeling Just-So Stories for Earth History
September 8, 2008
Models are only simulations of reality.  In science, they have a long history of simplifying complex physical phenomena in an attempt to understand them.  Many times, empirical evidence can correct a model.  The model then becomes a more accurate simulation, and can even provide additional insights and make predictions.  Can modeling work for the unobservable, […]
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Dumb Ideas

Spore Game: Evolution or ID?
September 4, 2008
Spore is a highly-anticipated computer game that just came out.  Evolutionists are claiming it as a model of how life evolves – but intelligent-design advocates are calling it an ID game, pure and simple.  Who’s right?     Carl Zimmer, a science writer, is among those counting Spore points for Darwin.  His blog entry from […]
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Cosmology

Dark Matters, When All You Have Is Light
August 30, 2008
A cluster of galaxies equivalent to a thousand Milky Ways was observed at a distance of 7.7 billion light-years.  What does it mean?  According to astronomers mentioned in an article on Space.com, it can only mean one thing: dark energy makes up 70% of the universe.     “The existence of the cluster can only […]
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Astronomy

Describing Star and Galaxy Growth Without Looking
August 30, 2008
Astronomers seem to know a lot about star birth and galaxy growth.  This is a strange thing, since no one has watched the process from start to finish.  Stars and galaxies are clearly observed in various shapes, sizes, and patterns.  How reliable is it to arrange them into an evolutionary sequence?     One way […]
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Amazing Facts

Cassini Survives Enceladus Geyser Plunge
August 12, 2008
The Cassini spacecraft has done it again – returned some of the most stunning outer planet images ever taken.  Zipping by at just 30 miles over the active surface of Enceladus, Cassini did a “skeet shoot” of high-res images achieving 7 meters per pixel in places – the highest resolution of any shot of a […]
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Bible and Theology

Life in Space: Follow the Hot Water, not the Hot Air
August 8, 2008
Planetary scientists have their eyes and instruments on regions of hot water, but speculating too dogmatically about life in space could get you in hot water yourself.     Simon Klatterhorn (geologist, U of Idaho) is mesmerized by the possibility of life at Europa, Jupiter’s ice-crusted oceanic moon.  In an interview by Science Daily, he […]
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Media

Phoenix Did NOT Find Mars Life
August 4, 2008
A media snafu has NASA spokespersons rushing to deny that life has been found on Mars, reported Space.com.  For example, Live Science reporter Leonard David said that the White House has been alerted to the potential for new information about life on Mars based on findings from the Phoenix Lander.  The apparent secrecy has teased […]
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Solar System

Ethane Lake Found on Titan
July 31, 2008
Liquid ethane has been detected in a lake near the south pole of Saturn’s moon Titan, reported JPL yesterday.  This confirms long-held suspicions that ethane, a byproduct of methane disruption by the solar wind, accumulates on the surface of the large atmosphere-shrouded moon.  A problem remains why there is so little of it.  Pre-Cassini predictions […]
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SETI

What’s SETI Got to Do With It?
July 31, 2008
The science news outlets are all posting a story from Space.com about how you can adopt a scientist.  Mark Showalter is an interesting guy – astronomer, scuba diver, amateur naturalist, award-winning photographer, and specialist in planetary rings.  But why was this story posted in the SETI column?     There doesn’t seem to be anything […]
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Solar System

Earth from Space Is a Special Place
July 21, 2008
The Deep Impact spacecraft, 31 million miles away, captured images of the moon circling the Earth, reported Space.com (for the sequence of images, click here).  “Making a video of Earth from so far away helps the search for other life-bearing planets in the universe by giving insights into how a distant, Earth-like alien world would […]
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Cosmology

Early Magnetic Galaxies Surprise Astronomers
July 17, 2008
Astronomers reported in Nature that early galaxies have normal magnetic fields.1  That is surprising because magnetic fields were supposed to start small and strengthen over billions of years.     The team tried to be careful to distinguish intervening magnetic signatures from those in quasars.  Their measurements indicated that “organized fields of surprisingly high strengths […]
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Solar System

Watery Moon Upsets Conventional Wisdom
July 14, 2008
The moon looks pretty dry.  It may have maria (oceans) but the figurative term would not attract customers for beachfront property: its seas are made of hardened lava.  The moon’s “Ocean of storms” (Mare Procellarum) only gets rain in the form of solar wind and cosmic rays.  Still, could there be water molecules in this […]
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