Without risking human lives, robotic technology such as "unmanned missions, probes, observatories, and landers" enables space exploration. Why does the part of this sentence in quotes referred to as robotic technology?

That part of the sentence in quotations is referred to as robotic technology because robotic technology it is a substitute for (or replicate) human actions.

Explanation:

Robotics is the intersection of science, engineering and technology that produces machines, called robots, that substitute for (or replicate) human actions. Pop culture has always been fascinated with robots.

on my last

maybe attach the passage in case, someone has never read it!

explanation:

hope this

-sawyer