Top Posters
Since Sunday
c
6
r
4
c
3
m
3
h
3
1
3
n
3
s
3
d
3
c
3
r
3
e
3
Home Q & A Board Science-Related Homework Help Physics
New Topic  
doit_the_clown doit_the_clown
wrote...
Go to Answer
Posts: 1408
Rep: 0 0
7 years ago
At what point in its evolution will a protostar stop shrinking and stabilize into a star?
A)   When nuclear processes generate enough energy and internal pressure to resist gravitational contraction
B)   When gravitational contraction has heated up the gas to the point where radiation pressure opposes gravity for the first time
C)   When it has spun off enough of its matter and is spinning fast enough that centrifugal force opposes the gravitational contraction
D)   When nuclear reactions end in its core
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 82 times
1 Reply
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
Replies
Answer verified by a subject expert
papachulopapachulo
wrote...
#1
Top Poster
Posts: 1302
Rep: 29 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

doit_the_clown Author
wrote...

7 years ago
this is exactly what I needed
missnoname
wrote...

Yesterday
Thank you, thank you, thank you!
Brownr40
wrote...

2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1163 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 301
  
 1092
  
 1293
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 436
Previous poll results: Should Ph.D.'s be addressed as doctors?