NASA begins building next mission to study comets
NASA Comet Nucleus Tour,or CONTOUR, mission this month took a giant step closer to its launch when the project received approval to begin building the spacecraft. Planned for a July 2002 launch,
NASA Comet Nucleus Tour,or CONTOUR, mission this month took a giant step closer to its launch when the project received approval to begin building the spacecraft. Planned for a July 2002 launch,