Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
New Topic  
Tsync Tsync
wrote...
Posts: 3450
Rep: 8 0
8 years ago
The convex secondary mirror in this design focuses light down through a hole cut in the concave primary mirror.
A) prime focus reflector
B) refractor
C) Cassegrain reflector
D) Newtonian reflector
E) interferometer
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 261 times
3 Replies
Minoring in physics
Replies
Answer verified by a subject expert
RatatouilleRatatouille
wrote...
Top Poster
Posts: 3710
8 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

Tsync Author
wrote...
8 years ago
You answered my question so timely, I really value that, thank you
Minoring in physics
wrote...
8 years ago
Message back if you need anything
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1382 People Browsing
Related Images
  
 76
  
 1764
  
 970
Your Opinion
Who's your favorite biologist?
Votes: 586