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Keyword: abell36

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  • Astronomy Picture of the Day -- Planetary Nebula Abell 36

    05/30/2014 6:49:55 PM PDT · by SunkenCiv · 9 replies
    NASA ^ | May 30, 2014 | (see photo credit)
    Explanation: The gorgeous, gaseous shroud of a dying sunlike star, planetary nebula Abell 36 lies a mere 800 light-years away in the constellation of Virgo. At that distance it spans over 1.5 light-years in this sharp telescopic view. Shrugging off its outer layers, the nebula's central star is contracting and becoming hotter, evolving towards a final white dwarf phase. In fact, in Abell 36, the central star is estimated to have a surface temperature of over 73,000 K, compared to the Sun's present 6,000 K temperature. As a result, the intensely hot star is much brighter in ultraviolet light, compared...