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SUMMARY:Mapping the 3-D Distribution of Dust in the Milky Way with Stellar
  Photometry - Josh Speagle - Harvard
DTSTART:20190404T120000Z
DTEND:20190404T133000Z
UID:TALK122230@talks.cam.ac.uk
CONTACT:James Fergusson
DESCRIPTION:Just like on Earth\, dust is everywhere in space. Dust particl
 es absorb and scatter light\, confounding astronomers that try to see thro
 ugh them to study stars within the Milky Way as well as the galaxies that 
 lie beyond it. Although it is difficult to measure the impact of dust on a
  single star\, combining the colors of ~1 billion stars has allowed us to 
 start creating detailed 3-D maps of the dust within our galaxy. I will dis
 cuss the various challenges associated with these efforts\, how astronomer
 s have tried to approach solving them\, and how data from the Gaia satelli
 te in the past year have led to new\, exciting breakthroughs in characteri
 zing the 3-D structure of dust in the local Solar neighborhood. I will als
 o discuss promising developments for these efforts going forward.
LOCATION:Kavli Large Meeting Room\, Kavli Building
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