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Episodes:  Planetary Nebulae
Hubble Goes Deep
Life's Cosmic Origins
Spinning Stardust into Planets
See also:How to Tune In
About Tour theCosmos
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Nothing lasts forever — including stars, which burn for billions of years, fueled by fusion in their cores. When a Sun-like star dies, it leaves a ghostly remnant of itself behind: a planetary nebula, a glowing shell of expelled gas. Planetary nebulae tell us not only about the eventual fate of our Sun, but about its birth — the gases of dying stars are recycled throughout the universe, giving rise to new stars, new Suns. On this show, Marc Steiner's guests are Mario Livio, Space Telescope Science Institute; Jim O'Leary, Maryland Science Center; and Carol Christian, Space Telescope Science Institute.
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