Icebergs and an Adelie penguin, Adelie Land, Antarctica. Antarctica, the sixth continent, is a unique observation point for atmospheric and climatic phenomena; its ancient ice, which trapped air when it was formed, contains evidence of the Earth's climate as it has changed and developed over the past millions of years.

This entry was posted
on Saturday, October 25, 2008
at Saturday, October 25, 2008
and is filed under
Stunning Pictures
. You can follow any responses to this entry through the
comments feed
.