Burmite Cretaceous Amber dendrite John Uri of the NASA

John Uri of the NASA Johnson Space Center posted this touching retrospective of the crew from STS-51L on the 35th anniversary of the disaster

Please note the meteorite also contains Nickel and can cause an allergic reaction if placed directly against the skin if one is sensitive to Nickel

like other dromaeosaurids

This type of growth is called an osteoderm

it crystalizes into thin

Burmite Cretaceous Amber dendrite John Uri of the NASAAbove: Front of Specimen Card Amber is a beautiful substance used by humans for thousands of years. Beginning as plant resin, amber forms very slowly under tremendous heat and pressure for millions of years, eventually becoming a low density, amorphous solid. The process of molecular polymerization also preserves traces of climate and life in nearly perfect condition. Above: Hans inspecting a large piece of Burmite after hours in the amber markets of