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Physics News posted 7/3/08 | 0 comments
Mercury Flyby Reveals Active (but Shrinking) Core
The first flyby of the planet Mercury in more than 30 years is resolving some long-standing puzzles about the closest planet to the sun. Among the findings: the planet's iron-rich core seems to be shrinking, causing its crust to buckle and crack.
These and other results, documented in 11 papers published today in Science, come from the first round of data from the MErcury Surface, Space ENvironment, GEochemistry and Ranging (MESSENGER) spacecraft, which buzzed Mercury earlier this year.
Mercury, the smallest of the [more]
- Physics News posted 7/2/08 | 5 comments
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- Scientific American Magazine posted 7/1/08 | 5 comments
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- Features posted 6/25/08 | 8 comments
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