In the process of planetary formation, when would the inward migration of Jupiters have most likely occurred?
A) shortly after all of the planets had finished forming
B) just after the system was cleared of the remaining gas
C) before these planets had grown to full size
D) after these planets had reached full size, but before terrestrial planets had finished forming
E) at least hundreds of millions of years after planetary formation ended
Question 2
The Doppler technique for planet detection has found Earth-like planets around nearby Sun-like stars.
Indicate whether the statement is true or false