Why Does No Major Planet Orbit the Sun at the Location

question 41

Multiple Choice

Why does no major planet orbit the Sun at the location of the asteroid belt?

• A) One such object did form there but was destroyed by a collision with an early comet; the asteroid belt is the debris from the collision.
• B) Jupiter''s gravitational pull stirred up the planetesimals, preventing them from coalescing into a single large object.
• C) In the early solar nebula, the temperature that close to the Sun was too high for rock or iron to condense into solid form.
• D) Three Earth-sized planets did form there, but they destroyed each one another by mutual collisions; the asteroid belt is the debris from these collisions.

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Definitions:

Self-Referent Encoding

A cognitive process where individuals relate information to themselves, enhancing memory and recall.

Prospective Memory

The aspect of memory that involves remembering to perform a planned action or intention at the appropriate future time.

Spreading Activation

A process in cognitive psychology that explains how information is retrieved in the brain, where activation of one concept triggers the activation of related concepts.

Semantic Network

A conceptual model used in artificial intelligence, cognitive psychology, and psycholinguistics that represents semantic relations between concepts in networks.