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:

Ileocecal Sphincter

A valve situated at the junction of the ileum (last portion of the small intestine) and the cecum (beginning of the large intestine) controlling the flow of digested material.

Ileum

The final and longest segment of the small intestine, where most of the nutrients and minerals from ingested food are absorbed.

Cecum

The beginning of the large intestine, a pouch connected to the junction of the small and large intestines.

Small Intestine

The part of the gastrointestinal tract between the stomach and large intestine, where most of the digestion and absorption of nutrients takes place.