1830Civil EngineeringMedium
Pick up the correct statement from the following?
AAll of these
BThe first man-made satellite, Sputnik-l’ was launched on 4th October, 1957
CThe United State’s Explorer 6 transmitted the first picture of the earth in August 1959
DTelevision Infrared Observation Satellite (TIROS) designed for meteorological observations, started systematic earth observations from space from 1, April, 1960
Correct answer
A. All of these
Explanation
The correct answer is All of these.