We Know That Giant Stars Are Larger in Diameter Than

question 79

Multiple Choice

We know that giant stars are larger in diameter than the sun because

• A) they are more luminous but have about the same temperature.
• B) they are less luminous but have about the same temperature.
• C) they are hotter but have about the same luminosity.
• D) they are cooler but have about the same luminosity.
• E) they have a larger absolute magnitude than the sun.

---

Definitions:

Radial

Relating to or situated near the radius or forearm; or extending in a direction outward from a common center.

Brachial

Relating to the arm, specifically the upper arm from the shoulder to the elbow.

Calibrating

The process of adjusting and setting the accuracy of a measuring instrument to ensure it meets its specified and intended use.

Balance Beam Scale

is a type of weighing scale that uses a balance beam to measure mass through a comparison of known weights.