Multiple Choice
What primarily makes it difficult to observe protostars?
A) They occur in dusty regions.
B) They have low luminosities.
C) They do not shine at any wavelength until they become T Tauri stars.
D) The star formation process happens so quickly.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q41: An H II region signals the presence
Q42: Molecular clouds are best observed at _
Q43: The entire process of star formation is
Q44: A _ is a failed star that
Q45: Molecular cloud cores are places where you
Q48: Neutral hydrogen atoms are found only inside
Q49: If the temperature inside a protostar were
Q51: Why does the surface temperature of a
Q64: Why do many stars form from a
Q93: Why can we see dust in the