The Milky Way (Spiral Galaxies)

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The Milky Way (Spiral Galaxies). Spiral Galaxies. Thin Disk (~30 kpc in diameter and ~1 kpc thick) of stars, gas, and dust: open c lusters, young stars. Sun is located 8 kpc away from the Galactic Center Thick Halo of stars with little gas or dust: globular clusters, old stars - PowerPoint PPT Presentation

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<p>df</p> <p>The Milky Way (Spiral Galaxies)</p> <p>Spiral GalaxiesThin Disk (~30 kpc in diameter and ~1 kpc thick) of stars, gas, and dust: open clusters, young stars. Sun is located 8 kpc away from the Galactic CenterThick Halo of stars with little gas or dust: globular clusters, old starsThe Bulge (~1 kpc) is the center of the galaxy where the inner halo &amp; the disk merge together: a supermassive (&gt;106 solar mass) black hole in the center.</p> <p>5</p> <p>Edge-on view6</p> <p>Face-on view73D view of the Milky Way</p> <p>The Problem of AbsorptionInterstellar space is filled with gas and dust This dust absorbs and scatters starlight passing through it, This makes more distant objects look fainter than they otherwise would be if there were no interstellar dust. Blocks out light from distant stars.</p>

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