Top Posters
Since Sunday
r
5
m
5
h
5
r
5
t
5
B
5
P
5
s
5
m
5
c
5
c
4
4
Home Q & A Board Science-Related Homework Help Physics
New Topic  
barry barry
wrote...
Go to Answer
Posts: 11630
Rep: 151 1
10 years ago
Why is light variability a critical issue with the sizes of active nuclei?
Read 570 times
2 Replies
Replies
wrote...
#1
10 years ago
The source of the light cannot be any larger than the time it takes light to cross it and change in brightness, so if the quasar varies in a matter of months, then its light emitting region cannot be more than a few light months wide.
Would you know my name, if I saw you in heaven?

Eric Clapton
Answer accepted by topic starter
barry Authorbarry
wrote...
#2
Top Poster
Posts: 11630
Rep: 151 1
10 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  825 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 86
  
 222
  
 256
Your Opinion
Which country would you like to visit for its food?
Votes: 215
Previous poll results: What percentage of nature vs. nurture dictates human intelligence?