When should we know if any extra-solar planetary systems are like ours?
A. in just a few years
B. any day now, thanks to new, large, ground-based telescopes
C. in a decade or two, through our current space missions
D. We have already discovered several systems just like ours, through the Kepler mission.
Answer:C
When should we know if any extra-solar planetary systems are like ours?
A. in just a few years B. any day now, thanks to new, large, ground-based telescopes C. in a decade or two, through our current space missions D. We have already discovered several systems just like ours, through the Kepler mission.