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UID:UW-Physics-Event-2574
DTSTART:20120202T213000Z
DTEND:20120202T230000Z
DTSTAMP:20240328T231648Z
LAST-MODIFIED:20120123T185633Z
LOCATION:4421 Sterling Hall
SUMMARY:A (Re) Introduction to the Milky Way (AAS Reprise)\, Astronomy
Colloquium\, Bob Benjamin\, UW Whitewater
DESCRIPTION:If your picture of the Milky Way is that it consists of a
bulge\, disk\, and halo\, you might want to attend this talk. I will r
eview the many recent advances in understanding the global structure o
f our Galaxy\, with a principal emphasis on the disk and inner galaxy.
Radio parallaxes to maser sources\, extinction distances to dark clou
ds\, and large-scale near and mid-infrared mapping of red clump giants
now allow us to map out different components (star formation\, gas\,
and old stars) of the Galaxy without the serious issues that plagued e
arlier efforts. I will review some of the recent discoveries and direc
tions for future work as I did at a plenary session at the American As
tronomical Society meeting in Austin this January. After 60 years of e
ffort\, I'd say we're about 50% done mapping the Milky Way.
\n
\nBut as a special only-in-Wisconsin add-on\, I will also show an int
eresting (and in retrospect\, totally predictable) discovery I made wh
ile preparing for this talk\, as well as showing some evidence that in
dicates the resurgence in Galactic structure may yet hit some rocky ro
ads ahead.
\n
URL:https://www.physics.wisc.edu/events/?id=2574
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