How do we expect that the first Earth-sized extrasolar planets will be discovered (if they exist)?
A. by the transit technique from an observatory in space
B. with photographs from a new generation of large, ground-based observatories
C. by NASA's Terrestrial Planet Finder mission
D. by the Doppler technique
Answer:A
How do we expect that the first Earth-sized extrasolar planets will be discovered (if they exist)?
A. by the transit technique from an observatory in space B. with photographs from a new generation of large, ground-based observatories C. by NASA's Terrestrial Planet Finder mission D. by the Doppler technique