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Q: Which of the following pair is/are correctly matched?
Spacecraft Purpose
Cassini-Huygens Orbiting the Venus and transmitting data to the Earth
Messenger Mapping and investigating the Mercury
Voyager 1 and 2 Exploring the outer solar system
The correct answer is 2 and 3 only.
Cassini-Huygens
- This was the fourth space probe to visit Saturn. Hence, Pair 1 is not correctly matched.
- It was launched with two elements: the Cassini orbiter and the Huygens probe.
- It reached Saturn in July 2004.
- Its objective was to determine the dynamic behaviour of the rings of Saturn and the atmosphere of Saturn at cloud level among many other goals.
Messenger
- This was the seventh Discovery-class mission, and the first spacecraft to orbit Mercury. Hence, Pair 2 is correctly matched.
- Its primary goal was to study the geology, magnetic field, and chemical composition of the planet.
Voyager 1 and 2
- It was launched in 1977.
- Its main mission was the exploration of Jupiter and Saturn.
- Voyager 2 went on to explore Uranus and Neptune.
- The Voyagers explore the outer boundary of the heliosphere in interstellar space. Hence, Pair 3 is correctly matched.
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