Top Posters
Since Sunday
z
4
n
4
t
4
k
3
x
3
r
3
m
3
j
3
c
3
l
3
e
3
s
2
Home Q & A Board Science-Related Homework Help Physics
New Topic  
staedtler staedtler
wrote...
Go to Answer
Posts: 2716
Rep: 0 0
7 years ago
The distance to the bright quasar 3C 273 is estimated to be
   A)  2 billion ly.    B)  20,000 ly.    C)  just beyond our Milky Way.    D)  3 million ly.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 83 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

staedtler Author
wrote...
#2
7 years ago
Person Raising Both Hands in Celebration

Correct Slight Smile
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  529 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 408
  
 668
  
 525
Your Opinion
What's your favorite coffee beverage?
Votes: 303
Previous poll results: How often do you eat-out per week?