Q. Which among the following was the first comet to be observed by a manned spacecraft?
Answer: Comet Kohoutek
Notes: Comet Kohoutek was first sighted on 7 March 1973 by Czech astronomer Luboš Kohoutek. Kohoutek was observed by the crews of Skylab 4 and Soyuz 13; it thus became the first comet to be observed by a manned spacecraft.

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