What Are the Two Main Differences Between Extrasolar Planetary Systems

question 84

Multiple Choice

What are the two main differences between extrasolar planetary systems discovered to date and our Solar System?

• A)extrasolar planets tend to be more massive and dense than Jupiter
• B)extrasolar planet orbits tend to be more eccentric and inclined than in our Solar System
• C)extrasolar planet orbits tend to be closer and more eccentric than in our Solar System
• D)extrasolar planet orbits tend to be closer and more circular than in our Solar System
• E)extrasolar planets tend to be bigger and denser than Jupiter

---

Definitions:

Filtrate

Liquid that has passed through a filter—for example, fluid that enters the nephron through the filtration membrane of the glomerulus.

Sympathetic Stimulation

Activation of the sympathetic nervous system, which increases heart rate, blood pressure, and energy availability, preparing the body for action.

GFR

Glomerular Filtration Rate, a measure of the rate at which the kidneys filter blood, used to assess kidney function.

Pressure Gradient

A physical concept describing the difference in pressure levels across a space, driving fluids or gases from areas of higher to lower pressure.