Multiple Choice
The local bubble
A) is a high temperature low density region in the interstellar medium around the sun.
B) is a nearby emission nebula.
C) is composed of neutral hydrogen and a fairly dense concentration of dust.
D) produces large amounts of 21-cm radiation.
E) produces radio waves from CO and other molecules.
Correct Answer:
Verified
Correct Answer:
Verified
Q27: Which of the following is evidence of
Q28: Which of the following is evidence of
Q29: Coronal gas<br>A) causes stars to look bluer
Q30: Extinction by the interstellar medium dims starlight
Q31: Radiation with a wavelength of 21-cm is
Q33: The sky appears blue during the day
Q35: Extinction by the interstellar medium dims starlight
Q36: The composition of the interstellar dust suggests
Q37: _ require(s)that a young hot star
Q131: The dust in the interstellar medium can