Top Posters
Since Sunday
f
3
b
2
e
2
b
2
j
2
E
2
o
2
L
2
m
2
R
2
C
2
b
2
New Topic  
symbo symbo
wrote...
Posts: 1970
Rep: 2 0
7 years ago
Cepheid stars are
A)   giant stars that pulsate in brightness, size, and temperature.
B)   white dwarf stars, late in their evolutionary life.
C)   members of binary systems, in which one star periodically eclipses the other.
D)   stars at an early stage in stellar evolution, pre–main-sequence.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 134 times
2 Replies
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
1

Related Topics

symbo Author
wrote...
7 years ago
It's correct Smiling Face with Open Mouth
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  614 People Browsing
Related Images
  
 189
  
 327
  
 547
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 824

Previous poll results: What's your favorite coffee beverage?