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The Space Shuttle Challenger (OV-099) was the second of the space shuttles in the program to enter orbit
“On the structure and origin of meteorites”
This specimen is a fulgurite collected in the Sahara Desert
which housed inside a glass-topped Riker display box measuring 4x3x1 (inches)
rex tooth infused with actual Tyrannosaurus rex fossil material
Petrified Branch - Full Slice neolithic The Space Shuttle Challenger (OV-099)Above: Front of Specimen Card "When the plant deposits are as thoroughly explored as the animal deposits have been, stratigraphic geology will receive much valuable aid." ~ Frank Hall Knowlton, USGS Botanist, 1889. Petrified wood is a unique type of fossil that preserves the impressions of the organic material down to a cellular level. The most common plant fossils are often only impressions of anatomical details left upon soft earth during
