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
Which component of our Galaxy accounts for interstellar extinction, the dimming of light from distant objects?
A)   Cool hydrogen gas
B)   The so-called hidden or missing matter since its absorbing properties render it invisible in the Galaxy
C)   Molecules such as H2 and CO, which are strong absorbers, in molecular clouds
D)   Dust
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 85 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
On behalf of my study group and I, thank you
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  555 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 4703
  
 339
  
 1081
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 365
Previous poll results: Who's your favorite biologist?