Top Posters
Since Sunday
t
7
m
6
k
6
F
5
j
5
t
5
j
5
G
5
f
5
a
5
d
5
c
5
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
What characteristic of Cepheid variables makes them extremely useful to astronomers?
A)   Their absolute magnitude is related directly to their period of pulsation.
B)   Their absolute magnitude is directly related to their diameter.
C)   Their absolute magnitude is related directly to their metal content (heavy element abundance).
D)   Their absolute magnitude is related directly to their surface temperature.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 101 times
2 Replies
Replies
Answer verified by a subject expert
hyponoticahyponotica
wrote...
#1
Top Poster
Posts: 1396
Rep: 28 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
Grinning Face Exactly what I needed
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1074 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 267
  
 1468
  
 921
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 432
Previous poll results: Who's your favorite biologist?