Top Posters
Since Sunday
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
m
2
Home Q & A Board Science-Related Homework Help Physics
New Topic  
Tsync Tsync
wrote...
Go to Answer
Posts: 3450
Rep: 8 0
8 years ago
Which is used observationally to determine the age of a star cluster?
A) the luminosity of the main sequence turn-off point
B) the amount of dust that lies around the cluster
C) the ratio of giants to supergiants
D) the number of white dwarfs
E) the total number of main sequence stars
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 170 times
3 Replies
Minoring in physics
Replies
Answer verified by a subject expert
RatatouilleRatatouille
wrote...
#1
Top Poster
Posts: 3710
Rep: 56 0
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...
#2
8 years ago
This astronomy class is killing me, thanks for chiming in and answering
Minoring in physics
wrote...
#3
8 years ago
Slight Smile
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  448 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 634
  
 316
  
 379
Your Opinion
Who will win the 2024 president election?
Votes: 119
Closes: November 4
Previous poll results: What percentage of nature vs. nurture dictates human intelligence?