Behold the serene beauty of the planetary nebula Abell 39, located approximately 7,000 light-years away in the constellation Hercules. This faint, $\mathbf{5}$ to $\mathbf{6}$ light-year-wide bubble was created when a Sun-like star expelled its outer layers of gas. It is renowned for its nearly perfect spherical shape, orbiting a hot, slightly off-center white dwarf remnant.
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