What Is the Approximate Surface Temperature of a Star with Weak

question 83

Multiple Choice

What is the approximate surface temperature of a star with weak hydrogen absorption lines and strong absorption lines of ionized calcium?

• A)4,500 K
• B)6,500 K
• C)5,500 K
• D)3,500 K

---

Definitions:

Positive Electric Charges

Charges carried by protons, contributing to electrical phenomena and interactions according to the principles of electromagnetism.

Current Flows

The movement of electric charge carriers, such as electrons, through a conductor or circuit.

Positive To Negative

Refers to the flow of direct current (DC) from the positive pole to the negative pole of a power source.

Lightning Rods

Metal poles that are generally pointed on one end. They are mounted above the structure that is to be protected from lightning.