The space exploration has been done mainly by using unmanned satellites called space probes containing a large variety of latest scientific instruments on board. These space probes have provided us the close up pictures and other data about planets and other bodies in the outer space. The climax of the intensive American space programme came when Neil Armstrong became the first man to set foot on the moon on July 20, 1969. Originally, the artificial satellites were launched for studying the upper atmosphere of earth.
Space probes are meant to study the upper atmosphere of earth only.

Options

A. If the inference is definite.", true! i.e. it properly follows from the statement of facts given.
B. if the inference is probably true' though not definitely true in the light of the facts given
C. If the 'data are inadequate, i.e. from the facts given you cannot say whether the inference is likely to be true or false
D. If the inference is definitely false", i.e. it cannot possibly be drawn from the facts given for it contradicts the given facts.

Answer

D

Explanation

According to the passage, the space probes were first designed to study the upper atmosphere of earth. But at present, they are also used to explore outer space and obtain more information about it, as mentioned in the second sentence of the passage.
Therefore, the given inference is definitely false,