As a White Dwarf Cools Its Radius Will Not Change

question 54

Multiple Choice

As a white dwarf cools its radius will not change because

• A)pressure due to nuclear reactions in a shell just below the surface keeps it from collapsing.
• B)pressure does not depend on temperature for a white dwarf because the electrons are degenerate.
• C)pressure does not depend on temperature because the white dwarf is too hot.
• D)pressure does not depend on temperature because the star has exhausted all its nuclear fuels.
• E)material accreting onto it from a companion maintains a constant radius.

---

Definitions:

Geographic

Relating to the physical features, climate, or population distribution of a specific area or location.

Social Footprints

The trail of information and interactions one leaves on social media platforms, representing their online presence and activities.

Digital Identity

The online presence of an individual or organization, encompassing all the digital information and attributes associated with them.

Social Impressions

The number of times content is displayed on social media, regardless of clicks or engagement, providing insight into the reach of the content.