We Have Begun to Observe Exoplanets Not Orbiting Stars

question 14

Multiple Choice

We have begun to observe exoplanets not orbiting stars.How do we think they were formed?

• A) They were formed around stars that died, cooled, and are no longer visible.
• B) They were formed in dust clouds, as are stars, but in this case the star did not form.
• C) They formed from free-floating planetesimals that had escaped from various solar systems.
• D) They formed normally in solar systems but then were forced out by the gravitational influences of other masses.

---

Definitions:

Liberal Feminism

A branch of feminism that emphasizes individuals' equality and seeks to achieve gender equality through political and legal reform within the current societal structure.

Experimentation

The act of trying out new ideas, methods, or activities to discover something unknown or to test a theory.

Volunteer Bias

The potential distortion in research results due to the characteristics of individuals who willingly choose to participate in studies.

Artificial Environment

An environment created by human beings as opposed to natural settings, often designed for specific purposes or research.