Active lava flows at volcanoes might move several feet per minute when hot. As the lava flows cool, they slow down to a rate of only a few feet per day. Geologists in Hawaii keep a close watch on active lava flows. They use handheld global positioning system (GPS) receivers to map lava flows as accurately as possible.
Libra, Aquarius, Gemini. Religion & Spirituality. Air is the element of the mind, and airy types know that everything begins with an idea. These are the idea people, who breeze in and offer a fresh perspective on the situation at hand.
Your Sign Explained! The Zodiac is made up of 12 different sun signs. Your date of birth determines which one you are. Click your sign below for complete detailed information on your sign: 1  Aries-March 21 - April 20. 2  Taurus-April 21 - May 21. 3  Gemini-May 22 - June 21.