Examlex
Supergiants are about as common as the Sun.
Corneal Light Test
A clinical examination assessing the reflection of light from the cornea to diagnose eye alignment or abnormalities.
Retinal Background
Refers to the overall appearance of the retina, including its vascular structure and color, important in diagnosing retinal diseases.
Palpebral Fissures
The natural openings between the upper and lower eyelids.
Lacrimal Apparatus
A system in the body responsible for the production and drainage of tears, including the lacrimal glands and ducts.
Q21: Harlow Shapley found the distance to the
Q34: Far-infrared telescopes have to be cooled, but
Q41: The diagram shows three approximate locations of
Q52: The parsec is defined so that a
Q55: Refer to the figure. A Type I
Q59: Why do white dwarfs have very low
Q75: The star Vega has an apparent visual
Q121: Helium fusion does not begin until the
Q127: What aspect of an object depends on
Q131: Which object has a shape that is