Which New Idea Has Been Added into Our Theory of Solar

question 14

Multiple Choice

Which new idea has been added into our theory of solar system formation as a result of the discoveries of extrasolar planets?

• A)In addition to the categories of terrestrial and jovian,there must be an "in-between" category of planet that has the mass of a jovian planet but the composition of a terrestrial planet.
• B)Jovian planets can migrate from the orbits in which they are born.
• C)In some star systems,it is possible for jovian planets to form in the inner solar system and terrestrial planets to form in the outer solar system.
• D)Some of the "exceptions to the rules" in our own solar system are likely to have been the result of giant impacts.

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