sep 25, 1992 - Mars Observer
Description:
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. During the interplanetary cruise phase, communication with the spacecraft was lost on August 21, 1993, 3 days prior to orbital insertion.Added to timeline:
Date:
sep 25, 1992
Now
~ 33 years ago