Question

Which of the following pairs is/are correctly matched?

Spacecraft                              Purpose 

1. Cassini-Huygens           : Orbiting the Venus and transmitting data to the Earth 

2. Messenger                    : Mapping and investigating the Mercury 

3. Voyager 1 and 2           : Exploring the outer solar system 

Select the correct answer using the code given below. 

(a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

Answer 1

(b) Cassini–Huygens is an unmanned spacecraft sent to the planet Saturn. Therefore, option 1 is wrong, this eliminates option (a), (c) and (d). Now we are left with final answer B only 2 and 3. MESSENGER is a robotic NASA spacecraft orbiting the planet Mercury. Voyager 1 (September 1977) and voyager 2 (Aug 1977) were launched to study the outer Solar System.