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 codes given below.
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This question tests your knowledge about important space missions and their purposes. Let's examine each spacecraft pair:
Analysis of Each Option:
1. Cassini-Huygens: This was a joint NASA/ESA/ASI mission to study Saturn and its moons, not Venus. The Cassini orbiter studied Saturn while the Huygens probe landed on Titan, Saturn's largest moon. Therefore, this pair is incorrectly matched.
2. Messenger: This NASA spacecraft was specifically designed to orbit and study Mercury. It stands for MErcury Surface, Space ENvironment, GEochemistry, and Ranging. This pair is correctly matched.
3. Voyager 1 and 2: These NASA spacecraft were indeed designed to explore the outer solar system (Jupiter, Saturn, Uranus, Neptune) and are now in interstellar space. This pair is correctly matched.
Final Answer:
Only options 2 and 3 are correctly matched.
Related Space Missions:
Other important space missions include:
- Mariner missions to Venus and Mars
- Viking missions to Mars
- Pioneer missions to Jupiter and Saturn
- New Horizons mission to Pluto
- Various Mars rovers (Sojourner, Spirit, Opportunity, Curiosity, Perseverance)
Key Concepts:
Space missions are typically named with acronyms that describe their purpose, and each has specific scientific objectives targeting particular celestial bodies in our solar system and beyond.