Active Star Formation Does Not Typically Occur in Elliptical Galaxies

question 75

Multiple Choice

Active star formation does not typically occur in elliptical galaxies because they

• A) rotate too fast.
• B) contain little cold gas.
• C) are too massive.
• D) are too far away.
• E) usually contain active nuclei.

---

Definitions:

Continental Shelf

A submerged extension of a continent, ranging from the shoreline to a drop-off point known as the shelf break.

Hydrothermal Vents

Openings on the seafloor that emit hot, mineral-rich water, supporting unique ecosystems independent of sunlight.

Giant Worm Tubes

Large tubular structures created by certain species of marine worms, which serve as their protective habitats on the ocean floor.

H2S

hydrogen sulfide, a toxic, flammable gas with a characteristic odor of rotten eggs, found in many natural and man-made environments.