Multiple Choice
Which type of nebula is produced when a star, hotter than 25,000 K, excites the gas near it to produce an emission spectrum producing a distinctive pink color?
A) emission nebulae
B) H I
C) reflection nebulae
D) dark nebulae
E) spectral type B6
Correct Answer:

Verified
Correct Answer:
Verified
Q41: Which telescope imaged the center of the
Q42: H I clouds can be observed using
Q43: The interstellar medium is composed of mainly
Q44: Molecules in the interstellar medium emit radiation
Q45: Match the four components of the interstellar
Q46: Observing at a wide range of wavelengths,
Q47: Which mission is mapping the heliosphere's boundary?<br>A)
Q49: The ground state of hydrogen has two
Q50: _ are cool, with temperatures of about
Q51: Interstellar extinction and the reddening of light