Photo Researchers ftp March 2011
EN_00958297_0961
Illustration showing the core, mantle and crust of Venus. At the center of Venus is a primarily solid iron core, which underlies a thick mantle made mainly of silicate minerals. On top of this is a very thin crust, which is only around 30 kilometers thick (compared to a maximum of around 70 kilometers for Earth's crust). Venus also has a thick, acidic atmosphere, which traps the heat of the Sun (a runaway green house effect). This makes Venus the hottest planet in the solar system, with surface temperatures reaching over 400 degrees Celsius.
2011-03-24
EAST NEWS
Science Source
Monica Schroeder / Science Sourc
BQ2296
0,24MB
25cm x 25cm przy 300dpi
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