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.
The 3rd astrological sign of the zodiac. The sun is in this sign from May 21st to June 21st. It is a masculine, positive (extrovert) sign. It's element is Air and quality is Mutable. Mercury is Gemini's ruler (as well as Virgo's) and dominates communication, variability, mentality, but is also inconstant.