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.
Gemini Sun Sign - Zodiac Signs. Gemini is the third sign of the zodiac, and those born under this sign will be quick to tell you all about it. That's because they love to talk! It's not just idle chatter with these folks, either. The driving force behind a Gemini's conversation is their mind.