Chris Radcliff:
Jed sets up the booth
Chris Radcliff:
SD Space booth
Chris Radcliff:
busy Science Festival grounds
Chris Radcliff:
crowds at the Mars Society booth
Chris Radcliff:
Marsha and Dave at the Mars Yard
Chris Radcliff:
kids at the Mars Yard
Chris Radcliff:
Jesse shows off some rocket science-2
Chris Radcliff:
kids and rovers at the Mars Yard
Chris Radcliff:
Jesse shows off some rocket science
Chris Radcliff:
Adrian's space elevator climber
Chris Radcliff:
YOU will go to the moon!
Chris Radcliff:
climbing the space elevator