Because of the Ages of Globular Clusters in the Milky

question 28

Multiple Choice

Because of the ages of globular clusters in the Milky Way, we think our galaxy's early formation history was characterized by:

• A) one single cloud of gas gently collapsing and star formation proceeding slowly within it
• B) one single cloud of gas that rapidly collapsed and turned most of its gas into stars
• C) violent merging of protogalactic fragments that stimulated a high rate of star formation
• D) slow merging of protogalactic fragments after they had already turned most of their gas into stars
• E) merging of two galaxies, each about half as massive as the Milky Way is today

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Definitions:

Bicycle Hand/Foot Pump

A manually operated device used to inflate bicycle tires by pushing air into them through a hose and valve system.

Cardboard Tube

A cylindrical form made of cardboard, often used as a core for winding materials like paper towels, fabric, or as packaging for shipping.

Helium Air Balloon

A balloon filled with helium gas, which is lighter than air, causing the balloon to float.

Nasal Conchae

Curved bony structures in the nasal cavity that help to filter, warm, and humidify inhaled air, enhancing the efficiency of respiration.