Astronomy 210
Lecture 38, Dec 1
Fall 2010
Lecture Notes:
pdf file
Changing Gears:
The Big Picture
Our Milky Way Galaxy
Our Place in the Milky Way
The naked eye
Milky Way
:
southern hemisphere
, zoom to
dark lanes
, more
bands
Galileo:
telescope
Immanuel Kant
William Hershel's
model
(top view)
Harlow Shapley
globular cluster
distribution: on the
sky
, in
space
interstellar dust:
microscopic view
, in a
dark cloud
and
reflection nebula
another
example
of scattering and absorption
simulated view
of Milky Way seen from outside; a possible similar
galaxy
Multiwavelength Milky Way: All-Sky Views
optical
: dust-obscured
near infrared
: stars, less dust
radio at 21 cm
: neutral hydrogen atoms
Galactic Rotation Curve
the data
interpretations
Milky Way Dark Matter
What the heck is it?!?
what it is not
favorite candidate today: exotic relic particles
underground detection experiment
Lecture Archive
Brian Fields
Last modified: Wed Dec 1 08:15:18 CST 2010