Robotic Observatories & Rovers

Opportunity Rover (MER-B)

Vehicle: Delta II | Launch Site: Cape Canaveral Space Force Station

Opportunity Rover (MER-B) mission operations

Mission Overview

Opportunity Rover (MER-B) is one of NASA's most successful robotic endeavors. Operated for 15 years on Mars, driving a marathon distance and finding mineral proof of liquid water. The spacecraft utilized state-of-the-art instruments to compile and transmit spatial datasets, helping researchers rewrite textbooks on planetary development, stellar evolution, and cosmic mechanics.

Payload & Instruments

Mission Purpose

Advanced planetary flyby, mapping, or deep-space observation

Scientific Instrumentation

  • Wide-field imaging cameras: Specialized telemetry sensor array.
  • Ultraviolet and infrared spectrometers: Specialized telemetry sensor array.
  • Magnetometers: Specialized telemetry sensor array.
  • Radio science systems: Specialized telemetry sensor array.

Scientific Discoveries

Expanded human understanding of solar system bodies, capturing high-resolution photos and chemical fingerprints.

Multimedia Gallery

Opportunity Rover (MER-B) launch operations photography

Official NASA historical record photography for Opportunity Rover (MER-B).