Find the answer to this question here. Super convenient online flashcards for studying and checking your answers!

(Correct Answer Below)

Reveal the answer to this question whenever you are ready.

What Produces Interstellar Reddening?

a) dust grains in interstellar clouds preferentially block blue light from background stars b) motion of stars away from the sun in their normal orbital course around the core of the milky way doppler shifts their spectra toward the red c) expansion of the milky way causes the spectra of other stars to be doppler shifted toward the red. d) molecules in interstellar clouds have absorption lines primarily in the blue part of the spectrum, making background stars appear red.
Front

Advertisement

a

About the flashcard:

This flashcard is meant to be used for studying, quizzing and learning new information. Many scouting web questions are common questions that are typically seen in the classroom, for homework or on quizzes and tests. Flashcards vary depending on the topic, questions and age group. The cards are meant to be seen as a digital flashcard as they appear double sided, or rather hide the answer giving you the opportunity to think about the question at hand and answer it in your head or on a sheet before revealing the correct answer to yourself or studying partner. Some questions will include multiple choice options to show you the options involved and other questions will just have the questions and corrects answers. Simply reveal the answer when you are ready to check your work. Absolutely no cheating is acceptable.