My 3 year old white lab is named Rover.
No, the noun 'rover' is a common noun, a general word for anyone who spends their time wandering.A proper noun is the name of a specific person, place, or thing; for example, a Land Rover (automobile) or NASA's Mars Exploration Rover Mission.
rover
Rover, Clover,
yes
It is a Mars rover.
"Rover" can be both a common and a proper noun, depending on the context. As a common noun, it refers to any vehicle designed for planetary exploration. However, when capitalized and used to refer to a specific mission or vehicle, such as "Mars Rover," it becomes a proper noun.
Mars Rover
push really hard!!
a straght man
There Is A Robot On Mars Called "The Mars Rover".
Ranchero, Ranch Wagon and Roadster are car names produced by Ford. Rolls Royce, Renault and Range Rover are car names.
The two machines that have landed on Mars are the Perseverance rover, which landed in February 2021, and the Curiosity rover, which landed in August 2012.