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Nacreous or Polar Stratospheric Clouds in the sky above an ice formation in the Scott Base pressure ridges.
Nacreous or Polar Stratospheric Clouds being illuminated by the moon over McMurdo Sound Antarctica.
Polar Stratospheric Clouds or Nacreous Clouds
Polar Stratospheric Clouds or Nacreous Clouds
Sunset shot of Nacreous or Polar Stratospheric cloud, which forms when ozone depleting gas crystallizes in the upper atmosphere.
HDR shot of Nacreous or Polar Stratospheric cloud, which forms when ozone depleting gas crystallizes in the upper atmosphere.
Polar Stratospheric Clouds or Nacreous Clouds
Polar Stratospheric Clouds or Nacreous Clouds
Polar Stratospheric Clouds or Nacreous Clouds
See photo in original gallery.
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