Which method does the Kepler space telescope use to detect extrasolar planets?
a. Doppler method
b. microlensing method
c. wobble method
d. transit method
e. astrometric method
Question 2
Stellar spectra started with the amount of hydrogen found in the star's spectrum and started with the letters A through Q. What are the current letters used to classify stellar spectra?
What will be an ideal response?