Petrified Lightning - 3.682" Saharan Fulgurite shergottite The Challenger launch decision: Risky

The Challenger launch decision: Risky technology

It measures 20

326" mission-flown nose landing gear tire fragment from the Space Shuttle Columbia (OV-102)

The full bracelet measures 7" in length (~17

This Second Edition Museum (ID #669) has a Stegosaurus fossil where the La Brea Tar Pit specimen should be and contains debris in the acrylic

Petrified Lightning - 3.682" Saharan Fulgurite shergottite The Challenger launch decision: RiskyAbove: Front of the Specimen Card. When lightning strikes dry sand, the intense heat melts and fuses the silica creating tubes of rough glass called fulgurites. The process happens quickly, often trapping molecules from the surrounding atmosphere inside the walls of the impact tube. These natural time capsules allow scientists to study the composition of ancient climates. This specimen is a 3. 682" fulgurite collected in the Sahara Desert. Originally