A Star Ascending the Red-Giant Branch for the Second Time

question 106

Multiple Choice

A star ascending the red-giant branch for the second time in the asymptotic giant branch (AGB) phase will have

• A) no nuclear reactions in the core, but a helium-fusion shell outside the core, which itself is surrounded by a shell of hydrogen.
• B) no fusion reactions; the star has used up all its nuclear fuel.
• C) hydrogen-fusion reactions occurring in the core.
• D) no nuclear reactions occurring in the core but hydrogen fusion in a shell outside the core.

---

Definitions:

Fluffy Dice

A pair of large, soft dice often hung on the rearview mirror of a car as a decoration.

Industrial Design Act

A legislation that protects the unique visual design of objects that are not purely utilitarian.

Hand by Craftsmen

The skilled creation or repair of objects by hand, typically referring to work done by artisans.

Artistic Goods

Items that are created with aesthetic or decorative purposes in mind, often handmade or produced in limited quantities, such as paintings, sculptures, or craft items.