Photovoltaics is the science which deals with certain materials called semiconductors that produce electricity when light falls on them. This site is about outer space. You will learn about black holes, comets, constellations, eclipses, observation equipment, phases of the Moon, the planets, the stars and the Sun, and last but not least the Universe. You will find neat pictures, and be able to use a virtual telescope. This is a ThinkQuest Junior project.
Many people think black holes continually suck in everything like great big cosmic bathtub drains.
Lunar Eclipse Photos of a lunar eclipse and how to make an eclipse using a flashlight and balls. K-12 A project designed to give students experience in science and education by using the internet. Join a live tour of the International Space Station mockup and training facility. The Nine Planets is an overview of the history, mythology, and current scientific knowledge of each of the planets and moons in our solar system. Each page has text and images, some have sounds and movies, most provide references to additional related information.