Collisions Between Galaxies

question 25

Multiple Choice

Collisions between galaxies:

• A)are much rarer than collisions between stars.
• B)can turn elliptical galaxies into spirals.
• C)cause large numbers of stars to collide and explode.
• D)cause the gas and dust clouds to collide, leading to rapid star formation.
• E)are the best explanation for gamma-ray burst events.

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Definitions:

Countercurrent

A mechanism of exchange where fluids flow in opposite directions, enhancing the transfer of heat or substances between them.

Mechanical System

A combination of interconnected parts designed to achieve a specific function through the application of mechanical forces.

ADH Secretion

The process of releasing antidiuretic hormone, which helps control the balance of water in the body by affecting the kidneys.

Blood Pressure

The force that circulating blood exerts against the walls of blood vessels, crucial for maintaining circulatory system function and overall health.