The Apparent Reddening of Light from Stars After Its Passage

question 279

Multiple Choice

The apparent reddening of light from stars after its passage through the interstellar medium is caused by

• A) the additional contribution to this starlight by emission from hydrogen gas in the interstellar medium.
• B) preferential scattering of blue starlight by dust grains.
• C) Zeeman shift of the light by the powerful magnetic fields existing within the interstellar medium.
• D) scattering of this light from rapidly moving material; the light is Doppler-shifted toward the red end of the spectrum.

---

Definitions:

Birthing Center

A healthcare facility focused on providing a more home-like and less clinical environment for childbirth, often emphasizing minimal medical intervention.

Healthy Newborn

A healthy newborn is an infant who, at the time of birth, shows no signs of distress or anomalies, presenting with stable vital signs and indicators of good health.

Correct Code

An accurate representation or value used in programming or data processing that meets the required specifications.

Own Chart

A personalized record or graphical representation of data or information related to an individual's health, progress, or achievements.