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Introduction
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Upcoming lectures
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Observatory update
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Webb delay
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Omi
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Omi January 2018
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PDS 70
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News from the Universe
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Why the Bulge Matters
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Part 1 Chemistry
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Part 2 Metallicity
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Hubble Tuning Fork Diagram
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Bared Spiral Galaxy
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Deep Rejected Model
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MidInfrared Image
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The X
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Orbits
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Bars
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Metalrich Stars
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First Evidence
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Distributions of Stars
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Shortage of Younger Stars
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Stars Near the Sun
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The Wrinkle
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New Analysis
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Conclusions
Description:
Explore the complex structure and evolution of the Milky Way's central bulge in this comprehensive lecture by David Nataf of Johns Hopkins University. Delve into the fascinating details of our galaxy's core, which hosts approximately 30% of its stars, including some of the oldest and most metal-rich. Learn about the formation processes of these stars, from early hierarchical collapse to later dynamical processes within the disk. Discover how chemical abundances in stars may influence planet formation and the evolution of life. Gain insights into astronomers' current understanding of the Milky Way's bulge, including its intricate structure and remaining mysteries. Examine various models, observational techniques, and recent discoveries that have contributed to our knowledge of this crucial galactic component. Recorded live at the Space Telescope Science Institute, this talk covers topics such as bulge chemistry, metallicity, galaxy classification, rejected models, and the distribution of stars, providing a thorough overview of our evolving understanding of the Milky Way's central region. Read more

The Milky Way’s Bulge - From a Hypothesized Blob to a Remarkably Detailed Picture

Hubble Space Telescope
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