Answer :

Final answer:

The Kepler spacecraft detects planets using the transit method by observing variations in star brightness when planets pass in front of their host stars.


Explanation:

The Kepler spacecraft detects planets using the transit method. This involves observing tiny variations in the brightness of stars that occur when a planet passes in front of its host star, blocking a portion of its light. The Kepler telescope was specifically designed to monitor these changes in brightness, allowing for the detection of exoplanets.


Learn more about Kepler spacecraft and planet detection techniques here:

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