|A. Planet||1. Moon|
|B. Satellite||2. Uranus|
|C. Comet||3. Mariner|
|D. Artificial satellite||4. Halley|
A) A-2 B-1 C-4 D-3
B) A-1 B-2 C-3 D-4
C) A-4 B-3 C-2 D-1
D) A-2 B-1 C-3 D-4
Correct Answer: A
Solution :Uranus is a planet. Moon is a satellite. Halley is a comet. Mariner is an artificial satellite. The Mariner program was conducted by the American space agency NASA in conjunction with Jet Propulsion Laboratory (JPL) that launched a series of robotic interplanetary probes designed to investigate Mars. Venus and Mercury from 1962 to 1973. The program included a number of firsts, including the first planetary flyby, the first pictures from another planet, the first planetary orbiter, and the first gravity assist maneuver.
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