The Helix Nebula is the closest example of a planetary nebula created at the end of the life of a Sun-like star. The outer gasses of the star expelled into space appear from our vantage point as if we are looking down a helix. The remnant central stellar core, destined to become a white dwarf star, glows in light so energetic it causes the previously expelled gas to fluoresce. A close-up of the inner edge of the Helix Nebula shows unusual gas knots of unknown origin. I have found a web site that is very informative and gives a lot of different weather related information for all parts of the United States.
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