| Theme | Astronauts & Space Travel |
|---|---|
| Space Program | NASA Program |
| Type | NASA Pin |
Check the listing for details. NASA official PIN '92 vtg MARS OBSERVER space exploration probe enamel. Condition: New. Listed at 6.99 USD. The Mars Observer spacecraft, also known as the Mars Geoscience / Climatology Orbiter, was a robotic space probe launched by NASA on September 25, 1992, to study the Martian surface, atmosphere, climate and magnetic field.