Top Posters
Since Sunday
w
5
a
3
j
2
a
2
t
2
u
2
r
2
j
2
j
2
l
2
d
2
y
2
Home Q & A Board Science-Related Homework Help Physics
New Topic  
symbo symbo
wrote...
Go to Answer
Posts: 1970
Rep: 2 0
7 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:
Read 113 times
2 Replies
Replies
Answer verified by a subject expert
discovererdiscoverer
wrote...
#1
Top Poster
Posts: 1374
Rep: 30 0
7 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

symbo Author
wrote...
#2
7 years ago
Thanks for answering, I'll share this with my classmates too
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1818 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 8235
  
 3694
  
 257