red food color / green food color / Web activities / green food colors / impact site / /
NaturalFeature
Mexican jungles / Chicxulub crater / /
Organization
National Research Council / National Science Foundation / University of Nebraska / /
Person
Sarah Disbrow / Linda Allison Produced / Judy Diamond / Barbara Young / Kathy French / Linda Allison / Janet Fox / Peggy Sugars / Amy N. Spiegel / Michael Davis / Adriana Ocampo / Saundra Frerichs / / /
Position
Space Geologist / Video player / GEologist activity book Space Geologist / planetary geologist / geologist / scientist / /