| − | The Stratosphere is the region of the atmosphere that spans altitudes of 4 to 30 miles,<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> or more narrowly from 8 to 12 miles in altitude. | + | The '''Stratosphere''' is the region of the atmosphere that spans altitudes of 4 to 30 miles,<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> or more narrowly from 8 to 12 miles in altitude. |