2004.
Mars robot explorers are robotic spacecraft sent to Mars to gather scientific data and explore the planet's surface. These robots are equipped with various instruments and tools to study the Martian environment, including cameras, spectrometers, drills, and sample analysis instruments. Examples of Mars robot explorers include the Curiosity rover, the Perseverance rover, and the InSight lander.
THEY WERE SENT TO MARS SO THAT WE CAN DISCOVER MANY NEW THINGS ON MARS!!!
Matthew flinders
No one has sent 15 rovers to Mars
200 yrs
Every country in the world has sent explorers. Spain, France, and England were 3 well known countries to send explorers to the United States.
the mars rover
by shooting it to mars
There is no life on mars.
The explorers such as Christopher Columbus were sent by Kings or Queens that the explorers' countries affiliated with. Kings' or Queens' reason was for the expansion of their country. Increase in wealth, finding new resources such as gold.
Some specific European countries that sent explorers to the Americas include Spain, Portugal, England, France, and the Netherlands. These explorers were instrumental in the colonization and expansion of European powers in the Americas.
The King