Civil Engineering - Elements of Remote Sensing - Discussion

42. 

Pick up the correct statement from the following :

[A]. The first man-made satellite, Sputnikl' was launched on 4th October, 1957
[B]. The United State's Explorer 6 transmitted the first picture of the earth in August 1959
[C]. Television Infrared Observation Satellite (TIROS) designed for meteorological observations, started systematic earth observations from space from 1, April, 1960
[D]. U.S.A.'s highly secret mission CORONA started the collection of intelligence photograpy in 1960
[E]. All of these.

Answer: Option E

Explanation:

No answer description available for this question.

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