Pick up the correct statement from the following ?
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B. The first man-made satellite, Sputnik-l was launched on 4th October, 1957
C. Television Infrared Observation Satellite (TIROS) designed for meteorological observations, started systematic earth observations from space from 1, April, 1960
D. The United States Explorer 6 transmitted the first picture of the earth in August 1959
Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.