How will the Kepler mission (scheduled for 2008 launch) look for planets around other stars?
A. It will look for Doppler shifts in stellar spectra.
B. It will be sufficiently powerful to take low-resolution photographs of planets orbiting nearby stars.
C. It will look for slight back and forth shifts in a star's position in our sky.
D. It will look for slight changes in a star's brightness that repeat at regular intervals.
Answer:D
How will the Kepler mission (scheduled for 2008 launch) look for planets around other stars?
A. It will look for Doppler shifts in stellar spectra. B. It will be sufficiently powerful to take low-resolution photographs of planets orbiting nearby stars. C. It will look for slight back and forth shifts in a star's position in our sky. D. It will look for slight changes in a star's brightness that repeat at regular intervals.