kenobi-wan-obi:Galaxies, Comets, and Stars! Oh My!The sun-approaching Comet ISON floats against a se

kenobi-wan-obi:Galaxies, Comets, and Stars! Oh My!The sun-approaching Comet ISON floats against a seemingly infinite backdrop of numerous galaxies and a handful of foreground stars.The icy visitor, with its long gossamer tail, appears to be swimming like a tadpole through a deep pond of celestial wonders.In reality, the comet is much, much closer. The nearest star to the Sun is over 60,000 times farther away, and the nearest large galaxy to the Milky Way is over thirty billion times more distant. These vast dimensions are lost in this deep space Hubble exposure that visually combines our view of the universe from the very nearby to the extraordinarily far away. -- source link
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