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Object Name: Helix Nebula, NGC 7293
Object Description: Planetary Nebula
Position (J2000): R.A. 22h 29m 48.20s
Constellation: Aquarius
Distance: About 650 light-years (200 parsecs)
Dimensions: The image is roughly 27 arcminutes (5.1 light-years or 1.6 parsecs) across.
Image Credit: NASA, NOAO, ESA, the Hubble Helix Nebula Team, M. Meixner (STScI), and T.A. Rector (NRAO)


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Dr. Arlene Wechezak
Anacortes, Washington, United States
Actinocyclus sp. diatom shell (180x)

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  • Oct 10 Sat 2009 01:35
  • go!

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10.05 台大

 

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