Top Posters
Since Sunday
7
6
o
5
b
4
s
3
j
3
b
3
m
3
K
3
g
3
L
3
w
3
New Topic  
symbo symbo
wrote...
Posts: 1970
Rep: 2 0
7 years ago
What is the greatest obstacle to observing the universe in the infrared region of the spectrum, from an observatory on the ground?

(a)   Water vapor in the Earth’s atmosphere.
(b)   The longer wavelengths of infrared radiation compared to those of visible light.
(c)   Seeing; i.e., the twinkling of objects seen through the Earth’s atmosphere.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 72 times
1 Reply
Replies
Answer verified by a subject expert
hyponoticahyponotica
wrote...
Top Poster
Posts: 1396
7 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
This verified answer contains over 140 words.
1

Related Topics

symbo Author
wrote...

7 years ago
Thank you, thank you, thank you!
wrote...

Yesterday
this is exactly what I needed
wrote...

2 hours ago
This site is awesome
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1007 People Browsing
Related Images
  
 597
  
 8165
  
 1013
Your Opinion
Who's your favorite biologist?
Votes: 587