Examine the figure below and then describe how elliptical galaxies form.
Definitions:
Contrast Medium
A substance used in medical imaging to improve the visibility of internal bodily structures in radiographic studies like MRIs and CT scans.
Invasive Procedure
A medical test or operation that involves entering the body, often through cutting or inserting instruments into a body cavity.
Surgical Aseptic
Techniques used in surgery to maintain sterility and prevent contamination by microbes, thereby reducing the risk of infection.
Radiologist
A physician who specializes in taking and reading X-rays.
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