Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
SlideshowReport

Spiral Galaxies (Nearly Face-on Views)

Description
Spiral Galaxies (Nearly Face-on Views)
Edwin Hubble classified spiral galaxies according to the tightness of their spiral arms
and the size of their central bulges. Sa galaxies have the largest central bulges and
the most tightly wound spiral arms, whereas Sc galaxies have the smallest central
bulges and the least tightly wound arms
Related Images
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  990 People Browsing
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 431