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symbo symbo
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8 years ago
An astronomer observing certain regions of the Sun through a spectrometer notices that the spectral lines emitted from these regions are split into two or more components.  What does the astronomer conclude about these regions from his observations?
A)   They contain fast-moving gas.
B)   They are very hot.
C)   They contain strong gravitational fields.
D)   They contain strong magnetic fields.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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symbo Author
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7 years ago
Thanks for answering, I'll share this with my classmates too
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