Wonders all around: Many natural phenomena occuring in the depth of outer space and the Earth fascinate us. Red ,glowing lava streams erupt from the volcanoes. Earthquakes making the ground tremble and shake. Cyclones sweep over oceans and land, causing untold suffering to human beings and animals. The Earth is only planet in our solar system that have life on it. We have not yet visited the other planets, but have sent remote controlled probes to explore them. Our solar system is a small part of Milky Way, which, in turn, is small part of a much larger Universe!