Planets Would Crash into the Sun If It Weren't for

question 60

Multiple Choice

Planets would crash into the Sun if it weren't for

• A)their tangential velocities.
• B)their vast distances from the Sun.
• C)the inverse-square law.
• D)their relatively small masses.
• E)the fact that they are beyond the main gravitation of the Sun.

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Definitions:

Cardiac Muscle

A specialized type of involuntary striated muscle found only in the heart, responsible for contracting and pumping blood throughout the body.

Endomysium

A connective tissue covering that surrounds individual muscle cells.

Perimysium

A layer of connective tissue that surrounds muscle fibers, grouping them into fascicles.

Fascia

A band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs.