How does the Kepler mission plan to detect Earth- like planets around other stars?
A)by measuring the Doppler shift in spectral lines as the central star is tugged to and fro by the planet
B)by measuring the slight shift in position of the central star as it is tugged to and fro by the planet
C)by directly imaging the planet in the infrared
D)by observing the spectrum of the planet
E)by observing the slight dip in brightness of the central star as the planet transits

Question

Quizplus · Accepted Answer

The Kepler mission detects Earth-like planets around other stars by observing the slight dip in brightness of the central star as the planet transits in front of it. This method is called the transit method and is the most effective way to detect Earth-sized planets.

How Does the Kepler Mission Plan to Detect Earth- Like