Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
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
The Crab Nebula is
A)   a supernova remnant.
B)   a planetary nebula surrounding a hot star.
C)   a cool, gaseous nebula in which stars are forming.
D)   the active nucleus of a nearby spiral galaxy.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 140 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
discovererdiscoverer
wrote...
#1
Top Poster
Posts: 1374
Rep: 30 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
alpheratz
wrote...

Yesterday
Thanks for your help!!
Smair87
wrote...

2 hours ago
Good timing, thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1242 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 138
  
 938
  
 760
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 292
Previous poll results: How often do you eat-out per week?