Catalog of 'fuzzy objects': Messier, NGC Spiral Nebulae: Island Universes
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Island Universes: galaxies
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Galaxies, galaxies Everywhere
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Galaxies: Star aggregates
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Types of galaxies
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What type is our home galaxy?
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Dont take stuff seriously!
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Where are we?
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Where is the Sun in Milky Way?
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Mapping 3D structure requires perspective
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Pitfalls of local view
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Measure distances to farther and farther stars!
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Parallax: Measuring distances to stars
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Inherent motions of stars
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Measuring motions of stars
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Missions to measure distances accurately
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GAIA - Star distances and kinematics
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Nebulae as distance indicators
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Young nebulae as tracers of spiral arms
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Anatomy of Milky Way
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Warp of Milky Way
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Warp of Milky Way - GAIA
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Rotation of Milky Way
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Centre of Milky Way
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Understanding our Home Galaxy
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To conclude....
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Disclaimer
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Thank-you for your attention
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Q&A
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Wrap Up
Description:
Embark on a cosmic journey through this captivating lecture that explores humanity's place among the stars. Delve into the structure of our Milky Way galaxy, learning how astronomers have mapped its vast expanse despite our limited vantage point. Discover the techniques used to measure stellar distances, from parallax to advanced space missions like GAIA. Explore the anatomy of our galaxy, including its spiral arms, central bulge, and mysterious warped disk. Uncover the challenges of understanding galactic dynamics and rotation, and peer into the enigmatic center of the Milky Way. Gain insights into the broader context of galaxies in the universe and the ongoing quest to fully comprehend our cosmic home. Conclude with a thought-provoking Q&A session that further illuminates our place in the grand tapestry of the cosmos.