Sentences with phrase «south polar cap»
By comparison, the Antarctic ice sheet on Earth weighs about 4 × 1018 kg, and Mars» south polar cap contains about 1016 kg of water.
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(Copyright Calvin J. Hamilton; Caption: LPI) South Polar Cap This image shows the south polar cap of Mars as it appears near its minimum size of about 400 kilometers (249 miles).
Unlike the south polar cap, the north polar cap probably consists of water - ice.
This storm is several hundreds of kilometers in extent and is located near the edge of the south polar cap.
Mars Express» team confirmed the water find in March 2004, saying the south polar cap is made up of 85 percent carbon dioxide ice and 15 percent at its center.
(Copyright Calvin J. Hamilton) Polar Laminated Terrain One of the discoveries of the Mariner 9 spacecraft was that the south polar cap of Mars was made of thin layers or laminations of ice and sediment.
I had just been in a discussion of climate change on a messageboard where someone had triumphantly put up links to various blogs (including one that you noted here) drawing conclusions about the cause of the global warming here on earth on the basis of these recent measurements of Mars's south polar cap!
A mosaic of Mariner 9 frames, taken during the spacecraft's first orbit of Mars, showed the south polar cap dimly through a great dust storm.