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Explore the fascinating components, structure, and kinematics of the Milky Way galaxy in this informative guide. Discover globular clusters, extinction patterns, HII regions, and more, shedding light on our cosmic home.
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PX269 Galaxies Part 2: The Milky Way 2.1 Components and Structure
The Milky Way Wei-Hao Wang University of Hawaii
First map of Milky Way: Sun near centre Herschel, 1785
Globular cluster 47 Tuc, 2MASS Distribution of globular clusters suggests Sun not close to centre
Wei-Hao Wang University of Hawaii Extinction in plane of Milky Way
NGC 6744, Milky Way-like galaxy Capella Observatory
M 51 the Whirlpool Galaxy HII regions
HII regions: the Orion Nebula Mike Fleenor
Pleiades open cluster Scattered light Philip Perkins
NGC 891 Optical Infra-red 2MASS CFHT
Wei-Hao Wang University of Hawaii
Part 2: The Milky Way 2.2 Kinematics
Galactic co-ordinates Carroll & Ostlie, 1996
Peculiar velocities of nearby stars Carroll & Ostlie, 1996
21 cm line profile along one line of sight Carroll & Ostlie, 1996
A = rotation curve for centrally-concentrated mass distribution B = rotation curve for extended mass distribution
First detection of a gravitational microlensing event Alcock et al 1993
Discovery of a 5 Earth mass planet Beaulieu et al 2006