I just read the New York Times article in the Science Section about a giant red star, Mira, zooming through the Milky Way galaxy 300 times faster than a speed bullet.
It's possible that hot gas in the core was heating gas blowing off the star, causing it to fluoresce with ultraviolet light. This could have caused the glowing material swirling around behind the star.
When our sun turns into the giant red star in about 4 to 5 billion years from now, what will it be like? Nobody knows and nobody will be able to forecast our sun's future. We wll be long gone by then.
Soon, I'll post an essay on a different topic. Stay tuned.
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