What Mechanism Explains the Presence of "Hot Jupiters" Around Many

question 50

Multiple Choice

What mechanism explains the presence of "hot Jupiters" around many other stars?

• A)planetary migration caused by gravitational interactions between the planet and disk
• B)evaporation of the disk by the stellar wind removes gas that was holding the planet at a large radius
• C)rapid formation of the gas giant from evaporated rock and metal at the inner disk edge
• D)gravitational attraction by terrestrial planets that formed at small radii attract the giant planets inward

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Definitions:

Secondary Amides

Organic compounds characterized by a carbonyl group (C=O) attached to a nitrogen atom, which in turn is bonded to two alkyl or aryl groups.

Acid Chlorides

Reactive derivatives of carboxylic acids where the hydroxyl group is replaced with a chlorine atom, used in organic synthesis.

Nitriles

Organic compounds containing the cyano group (-C≡N), which consists of a carbon atom triple-bonded to a nitrogen atom.

Bromo

A prefix in organic chemistry indicating the presence of a bromine atom in the compound.