A closer look at “NASA’s Oldest Mars Orbiters Still Going Strong After Decades: Odyssey and MRO Secrets”, exactly as the source publishes it. NASA’s Mars Odyssey and Mars Reconnaissance Orbiter (MRO) have been circling the Red Planet for over two decades, far surpassing their original missions. Launched in 2001 and 2005 respectively, these spacecraft operate 140 million miles from Earth, yet they continue to deliver groundbreaking science Launched in 2001 and 2005 respectively, these spacecraft operate 140 million miles from Earth, yet they continue to deliver groundbreaking science.
Odyssey holds the record as the longest-working Mars craft in history, while MRO’s high-resolution camera has mapped nearly the entire planet in stunning detail. Their longevity stems from clever engineering: solar panels that resist dust buildup, backup systems, and careful fuel management. These orbiters have reshaped our understanding of Mars—finding water ice, monitoring dust storms, and scouting landing sites for rovers like Curiosity and Perseverance. For the complete material, the listing points back to the source inside the network.