Question
Solve the puzzle from the clues given
Clues-
Across
(1) Satellite images of the earth are collected by ___________.
(2) It is the basic element of satellite images.
(3) The short form of Representative Fraction.
Down
(2) These satellites orbit at 800-900 km elevation.
(4) These satellite images can be taken at any time of the day.
(5) The abbreviated form of the name of first satellite launched by NASA in 1972.
Answer
Across: 1. Satellites 2. Pixel 3. R.F.
Down: 1. Polar-orbiting 2. Visible 3. ERTS-1
