How to Use "polar" with Example Sentences

1. The moon was once thought to be dry . Then came hints of ice in the polar craters .

2. One concerned a 20-year-old hypothesis , supported by radar observations from earth , that suggested some polar craters might hide reserves of water-ice .

3. The deposits in the lunar craters may be as informative about the moon as ice cores from earth 's polar regions are about the planet 's past climates .

4. Between now and early september , when the polar pack ice shrivels to its summer minimum , they will pore over the daily sea ice reports of america 's national snow and ice data centre .

5. The result , according to a modeling study published earlier this month the journal of geophysical research , is a strong high-pressure system over the newly exposed sea which brings cold polar air , swirling counter-clockwise , into europe .