In What Way Are Many of the Extrasolar Planetary Systems

question 1

Multiple Choice

In what way are many of the extrasolar planetary systems that have been discovered so far fundamentally different from our own solar system?

• A) The relative positions of where the planets formed are inverted, with the Jovian-type planets forming close to the stars and the terrestrial-type planets forming farther out.
• B) Many terrestrial planets discovered so far have masses intermediate between the terrestrial planets of our system and the ice giants.
• C) The massive Jovian-type planets appear to have formed at large distances, like our own Jovian planets, and then spiraled in close to their stars.
• D) There are no Jovian-mass planets.

---

Definitions:

Temporal Lobe

A region of the brain responsible for processing auditory information and encoding memory, among other functions.

Anterograde Amnesia

A loss of the ability to create new memories after the event that caused the amnesia, leading to an inability to recall recent events.

Retrograde Amnesia

A form of amnesia where an individual loses pre-existing memories to some extent, but does not prevent the formation of new memories.

Hippocampus

A region of the brain that is associated with memory formation, navigation, and spatial orientation.