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NASA’s Deep Impact space mission was employed to take detailed pictures of which comet nucleus?
Which one of the following pairs is not correctly matched?
Assertion (A): To orbit around the Sun, the planet Mars takes lesser time than the time taken by the Earth. Reason (R): The diameter of the planet Mar
The correct answer is option (d): A multi-satellite navigation project being developed by the European Union. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2007, GS Paper 1, as Question 132. It falls under Science & Technology > Space Technology & Astronomy.
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
UPSC has asked 69 questions from Space Technology & Astronomy (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.