Article: Meteorites Offer Glimpse of Early Earth, Say Purdue University Scientists.

Article: Early Earth haze may have contributed to formation ...
The Hindustan Times;  November 7, 2006 ;     643 words ... ... Boulder, shows that hazy skies on early Earth could have provided a substantial source ... atmospheric gases thought to be present on early Earth. The laboratory experiment modelled ... conditions that were probably present on early Earth would produce a similar organic haze ...

Article: Study shows early Earth atmosphere hydrogen-rich, ...
Xinhua News Agency;  April 8, 2005 ;     700+ words ...Study shows early Earth atmosphere hydrogen-rich, favorable ... LOS ANGELES, April 7 (Xinhua)-- Early Earth atmosphere was hydrogen-rich, favorable ... discharges. Toon said the premise that early Earth had a carbon dioxide- dominated atmosphere ...

Article: Speedy spin kept early Earth from freezing. (faster ...
Science News;  June 12, 1993 ;     700+ words ... ... fact, that it could not have kept the early Earth from freezing solid, causing scientists ... contends that other aspects of the early Earth would have helped warm the planet ... decided to simulate basic features of the early Earth using a general circulation model on ...

Article: Life wasn't as hellish on early Earth as we thought
Sunday Gazette-Mail;  May 8, 2005 ;     700+ words ... ... scientific quest called "Mission to Really Early Earth" has unearthed evidence that our planet ... evolution." The Mission to Really Early Earth is supported by the National Science ... information about Mission to Really Early Earth, go to: http:/ /nai.nasa.gov ...

Article: Early Earth systems; a geochemical approach.(Brief ...
SciTech Book News;  March 1, 2007 ;     481 words ...9781405122559 Early Earth systems; a geochemical approach. Rollinson, Hugh R. Blackwell ... the early geological record and how much we really know about the early earth. After these reassurances he progresses to the origin and differentiation ...

Transcript: Analysis: Scientists suggesting that early Earth ...
NPR All Things Considered;  August 22, 2002 ;     700+ words ... ... 00-00-0000 Analysis: Scientists suggesting that early Earth may have been hit hard by an ancient asteroid Host ... looking for to study impacts is craters, and in the early Earth's history, you're just not going to get the craters ...

Article: Reining in a runaway theory. (theories on atmosphere of ...
Science News;  December 13, 1986 ;     700+ words ... ... runaway theory Geoscientists have often wondered what kept the early earth from freezing over. Even though the sun was 25 to 30 percent ... the greenhouse properties of carbon dioxide gas saved the early earth from a deep freeze. Atmospheric carbon dioxide traps heat ...