The Presence of Dusty Disks Surrounding Stars Similar to the Sun

question 95

Multiple Choice

The presence of dusty disks surrounding stars similar to the Sun was surprising because

• A) such systems could not have formed planets.
• B) their composition differs so much from their stars.
• C) their instruments were not thought to be powerful enough to make such a measurement.
• D) gas and dust should be rapidly ejected into space by the radiation from a hot star.

---

Definitions:

Sex Differences

Biological or physiological distinctions between males and females, including anatomy, genetics, and hormonal differences.

Quarrels

Disputes or conflicts, often marked by angry arguments.

Self-Disclosure

The act of revealing personal or private information about oneself to others.