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"Thermal Protection Systems Technology Transfer from Apollo and Space Shuttle to the Orion Program
These experiments saw millions of seeds sent to outer space to study how zero-g and vacuum exposure would affect their growth rate
LAURASIA (AMMOLITE GEM)
This bundle makes a fantastic gift for any history lover in your life
Polished Ammonite Split Pair - SOLD 4.272" Cleoniceras moorecoolthings "Thermal Protection Systems Technology TransferAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 272" polished Cleoniceras fossil from Madagascar. The fossil has been split into a paired set to showcase the beautiful internal chambers of the shell. These internal chambers are called septa and the ammonite could fill them with air in order to float through the ocean like a balloon. After millions of years, they are now
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