M31, the Andromeda Galaxy'

1
(No Transcript)
2
(No Transcript)
3
M31, the Andromeda Galaxy. Like the Milky Way,
it contains several HUNDRED billion stars
100,000 light years
4
Galaxies form in clusters This is a galaxy
cluster in Virgo Notice the different galaxy types
5
M74, the Pinwheel galaxy. How do stars form in a
galaxy?
6
M87, an elliptical galaxy. How do all of these
different galaxies form?
7
Stardate March 17th
GALEX
GALaxy
Evolution
EXplorer
8
(No Transcript)
9
Starbirth in the Eagle Nebula. The bright blue
area contains numerous hot-young stars
10
Knots of young blue-white stars
11
Launch is planned for March 25th
12
GALEX will examine these distant galaxies
13
Looking at galaxy formation
14
(No Transcript)
15
GALEX will help us understand the composition,
temperature and motion of these galaxies
16
Which will help us answer some long standing
questions
17
(No Transcript)