The Main Difference Between Bright and Dark Nebulae Is___________

question 35

Multiple Choice

The main difference between Bright and Dark Nebulae is___________ .

• A) the composition of their dust
• B) their proximity to a black hole
• C) the composition of their gases
• D) their proximity to a blue star
• E) none of the above

---

Definitions:

Sella Turcica

A saddle-shaped depression in the sphenoid bone at the base of the human skull, which houses the pituitary gland.

Carotid Canal

A passageway in the temporal bone of the skull through which the internal carotid artery enters the cranial cavity.

Occipital

Referring to the occipital bone or region, located at the back and lower part of the skull, or the occipital lobe in the brain responsible for vision processing.

Parietal

Referring to the parietal bones of the skull or the parietal lobe of the brain, linked with processes such as sensory perception and integration.