The Interstellar Medium. I. Visible-Wavelength Observations A. Nebulae B. Extinction and Reddening C. Interstellar Absorption Lines II. Long- and Short-Wavelength.
The Milky Way
Chapter 19 Our Galaxy. 19.1 The Milky Way Revealed Our goals for learning What does our galaxy look like? How do stars orbit in our galaxy?
The Milky Way mysterious dark matter Our home galaxy, full of stars, gas and mysterious dark matter We decompose it into a disk and a halo and a few other.
The Interstellar Medium
