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.