Top Posters
Since Sunday
w
5
a
3
j
2
a
2
t
2
u
2
r
2
j
2
j
2
l
2
d
2
y
2
Home Q & A Board Science-Related Homework Help Physics
New Topic  
staedtler staedtler
wrote...
Go to Answer
Posts: 2716
Rep: 0 0
7 years ago
How do most spiral galaxies rotate?
A)   The arms lead as the galaxy rotates (arms point forward).
B)   Spiral galaxies do not rotate; if they did, then the spiral pattern would soon disappear.
C)   We do not know; they rotate far too slowly for us to have seen any motion in the time since galaxies were discovered.
D)   The arms trail as the galaxy rotates (arms point backward).
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 109 times
2 Replies
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

staedtler Author
wrote...
#2
7 years ago
I really appreciate your help!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1317 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 324
  
 939
  
 4501
Your Opinion
Who will win the 2024 president election?
Votes: 119
Closes: November 4
Previous poll results: Which is the best fuel for late night cramming?