Which detection techniques can find the planet's orbital distance (assuming we know the mass of the star)?
A. only the Doppler technique
B. only the transit technique
C. only the astrometric technique
D. all of these techniques
Answer:D
Which detection techniques can find the planet's orbital distance (assuming we know the mass of the star)?
A. only the Doppler technique B. only the transit technique C. only the astrometric technique D. all of these techniques