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Article: Close-up on Mars.(Earth/Space)
- Article from:
- Science World
- Article date:
- October 13, 2003
CopyrightCOPYRIGHT 2003 Scholastic, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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On August 27, 2003, Mars swung as close to Earth as it has in over 60,000 years (see diagram, below). Stargazers can still glimpse the Red Plane in the southern night sky. Earth and Mars orbit the Sun at about 24 kilometers per second, But because Earth is closer to the Sun, it circles twice before Mars even finishes ...
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Article: Earth, Mars' cores formed under different ...
The Hindustan Times;
June 29, 2007 ;
678 words
... ... June 29 -- The cores of Earth and Mars formed under very different ... explanation is that, unlike Mars and Vesta, the Earth's silicon has been divided ... between the two planets. With Earth being eight times larger than Mars the pressure of core formation ...
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