Multiple Choice
The spectrum of sunlight, when spread out by a spectrograph, has which characteristic appearance?
A) continuous band of color, crossed by innumerable emission lines
B) continuous band of color, crossed by innumerable dark absorption lines
C) series of separate emission lines, characteristic of many elements, that overlap in certain regions of the spectrum to produce short continuum segments
D) continuous and uniform band of color from violet to deep red
Correct Answer:

Verified
Correct Answer:
Verified
Q204: The star alpha Proxima Centauri, the nearest
Q205: Proper motion is the motion<br>A) of a
Q206: The proper motion of a star or
Q207: Because of the Doppler effect, the sound
Q208: The wavelength in the middle of the
Q210: How do the nuclei of the carbon
Q211: The chemical makeup of a star's surface
Q212: The sodium D lines are a closely
Q213: Suppose that a particular sample of wood
Q214: An astronomer plots the intensity of the