× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
8
5
z
4
n
4
t
4
3
k
3
x
3
r
3
m
3
j
3
c
3
New Topic  
Coco Coco
wrote...
Posts: 714
Rep: 0 0
6 years ago
Why would astronomers place an X-ray observatory in space, like the Chandra observatory?
 
  A) to map X-ray emissions from the sun
  B) to record X-rays emitted from the big bang; the so called background radiation of the universe
  C) to map X-ray emissions from the moon
  D) to map deep X-ray emissions from deep space, particularly as a proxy for materials being sucked into black holes
Read 82 times
1 Reply
Replies
Answer verified by a subject expert
Avi c.Avi c.
wrote...
Top Poster
Posts: 648
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Coco Author
wrote...

6 years ago
This site is awesome
wrote...

Yesterday
Brilliant
wrote...

2 hours ago
Thank you, thank you, thank you!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  866 People Browsing
Related Images
  
 288
  
 628
  
 287
Your Opinion