On this Day:
On June 10, 2003 The Spirit Rover is launched, beginning NASA’s Mars Exploration Rover mission.
A Mars rover is a motor vehicle designed to travel on the surface of Mars. Rovers have several advantages over stationary landers: they examine more territory, they can be directed to interesting features, they can place themselves in sunny positions to weather winter months, and they can advance the knowledge of how to perform very remote robotic vehicle control. They serve a different purpose than orbital spacecraft like Mars Reconnaissance Orbiter. A more recent development is the Mars helicopter.
As of May 2021, there have been six successful robotically operated Mars rovers; the first five, managed by the American NASA Jet Propulsion Laboratory, were (by date of Mars landing): Sojourner (1997–1997), Opportunity (2004–2018), Spirit (2004–2010), Curiosity (2012–), and Perseverance (2021–). The sixth, managed by the China National Space Administration, is Zhurong (2021–).
On January 24, 2016, NASA reported that then current studies on Mars by Opportunity and Curiosity would be searching for evidence of ancient life, including a biosphere based on autotrophic, chemotrophic or chemolithoautotrophic microorganisms, as well as ancient water, including fluvio-lacustrine environments (plains related to ancient rivers or lakes) that may have been habitable. The search for evidence of habitability, taphonomy (related to fossils), and organic carbon on Mars is now a primary NASA objective.
The Soviet probes, Mars 2 and Mars 3, were physically tethered probes; Sojourner was dependent on the Mars Pathfinder base station for communication with Earth; Opportunity, Spirit and Curiosity were on their own. As of June 2022, Curiosity is still active, while Spirit, Opportunity, and Sojourner completed their missions before losing contact. On February 18, 2021, Perseverance, the newest American Mars rover, successfully landed. On May 14, 2021, China’s Zhurong became the first non-American rover to successfully operate on Mars. (per Wikipedia).
First, a Story:
Scientists are developing a breed of dog especially suited to life on Mars.
Their fur happens to be white with black spots – they are calling them Dalmartians…
Second, a Song:
Thought for the Day:
“I would like to die on Mars. Just not on impact.” – Elon Musk
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Have a great day!
Dave & Colleen
© 2022 David J. Bilinsky and Colleen E. Bilinsky
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