Top Posters
Since Sunday
y
2
s
2
2
a
1
w
1
w
1
i
1
m
1
s
1
c
1
k
1
1
New Topic  
doit_the_clown doit_the_clown
wrote...
Posts: 1408
Rep: 0 0
7 years ago
One feature that distinguishes a black hole from all other objects in the universe is that
A)   the escape velocity from inside this object is greater than the speed of light.
B)   it emits large quantities of X rays.
C)   its total mass exceeds 3 solar masses.
D)   the shape of its gravitational field is always different from that of an ordinary massive object, even at large distances from it.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 276 times
2 Replies
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
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

wrote...
3 years ago
amazing
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1024 People Browsing
 161 Signed Up Today
Related Images
  
 796
  
 948
  
 1052
Your Opinion
What's your favorite math subject?
Votes: 315