What Is the Galactic Fountain Model

question 9

Multiple Choice

What is the galactic fountain model?

• A)the idea that there is a lot of interstellar water vapor
• B)the theory that the Milky Way is a spiral galaxy and looks like a whirlpool from above
• C)the theory that hot,ionized gas blows out of the galactic center like a jet or fountain
• D)the theory that hot,ionized gas blown out of the galactic disk and into the halo by superbubbles cools down and falls back into the disk
• E)none of the above

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