Multiple Choice
Which of the following is evidence of the existence of interstellar dust?
A) extinction of visual light from more distant stars
B) infrared radiation emitted from between the stars
C) reddening of visual light from more distant stars
D) dark clouds seen againts the Milky Way
E) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q22: Coronal gas emits x-rays and has temperatures
Q23: Longer wavelengths of light more easily scatter
Q24: Elements such as iron,calcium,and titanium are less
Q25: Which of the following is not considered
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
Q32: The local bubble<br>A) is a high temperature
Q73: The thermal motions of the atoms in