Brown Dwarfs Are

question 89

Multiple Choice

Brown dwarfs are

• A) stars in the process of forming
• B) very cool, low mass stars of spectral type M
• C) the burnt out cores of dead stars
• D) objects with insufficient mass to sustain nuclear fusion in their cores

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Definitions:

Exophthalmos

A condition characterized by an abnormal protrusion of the eyeball(s) from the orbit, commonly associated with thyroid disease, specifically Graves' disease.

Hyperthyroidism

A condition characterized by the overproduction of thyroid hormones by the thyroid gland, leading to an acceleration of the body's metabolism.

Hordeolum

A common eyelid infection, also known as a stye, characterized by a painful, red lump near the edge of the eyelid.

Chalazion

A chronic glandular cyst of the eyelid, resulting from the obstruction and inflammation of a meibomian gland, often presenting as a painless swelling.