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APOD

Astronomy Picture of the Day
APOD
  1. Do magnetic fields always flow along spiral arms? Do magnetic fields always flow along spiral arms?


  2. Why does a cloudy moon sometimes appear colorful? Why does a cloudy moon sometimes appear colorful?


  3. What powers this unusual nebula? What powers this unusual nebula?


  4. The jets emanating from The jets emanating from


  5. The Mountains of NGC 2174 The Mountains of NGC 2174