Silicate Gardens Silicate Gardens Virtual Mission This chemistry-based research mission uses actual photographs and data downlinked from the International Space Station. This mission is designed to have students support the work of scientists studying the effects of microgravity on the formation and growth of hallow tubes and spheres which are the basic structures of chemical gardens.     Mission Details This chemistry-based research mission uses actual photographs and data downlinked from the International Space Station. This mission is designed to have students support the work of scientists studying the effects of microgravity on the formation and gro