Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
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
What evidence do we have that the central regions of Seyfert galaxies contain very hot gas?

(a)   Emission lines of highly ionized iron
(b)   Intense emission lines of the Lyman series of hydrogen
(c)   Strong synchrotron radiation
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 76 times
1 Reply
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...

7 years ago
Smart ... Thanks!
rhockeygirl
wrote...

Yesterday
Thanks
Tabitha.davis
wrote...

2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  903 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 44
  
 353
  
 516
Your Opinion
Where do you get your textbooks?
Votes: 328
Previous poll results: Which 'study break' activity do you find most distracting?