Astronomy help!! It's on the migration hypothesis?

Assume that the migration hypothesis is the correct explanation for the hot Jupiters. In that case, the revised nebular theory looks just like the old theory, except that it now allows for the possibility of migration. Which of the following statements are consistent with this revised theory:


Hot Jupiters can orbit their star in a direction opposite that of other jovian planets in the same system.
Jovian planets always form in the cold, outer regions of their star system.
Our solar system must be unusual because the jovian planets did not migrate inward.
Terrestrial planets always form in the warm, inner regions of their star system.
Jovian planets can migrate inward and disrupt the orbits of terrestrial planets.



It can be more thanone of those
 
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