At present space is not unknown to us - Explain.

At present space is not unknown to us - Explain.

Space exploration is the ongoing discoveries and explorations of celestial objects in outer space by means of space travel. Usually, space explorations are either conducted by unmanned robotic spaceships or human spaceflight. The number of the robotic space ship is more than the number of human spaceflights. At present, most of the spaceships are controlled by computers. A computer is used to design space ship. Moreover, a computer is used to control the spaceship in time of launching a satellite, to find out the position of planets, to determine the space of planets, etc. Scientists at NASA are using the computer to control the position and observe the movement of the spaceship. As a result, they can easily collect much unknown information regarding the space. So, the statement, "At present space is not unknown to us" is correct.

At present space is not unknown to us
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