Are People Living on Mars?
Percival Lowell, an American astronomer, thought he saw canals criss-crossing the deserts of Mars, when he observed the planet though his telescope early this…
Tag
Planet
What Are the Factors Responsible for Ice Ages?
Ice Age is a time when much of the Earth is very cold, and sheets of ice cover large parts of the land. During the last Ice Age, ice covere
Which Discovery of Galileo Is Most Impressive?
Galileo Galilei (1564-1642), was an Italian astronomer, physicist and mathematician, a pioneer of experimental science who made great
How Were the First Mountains and Valleys Formed?
The first mountains and valleys were the crust formed as a result of the cooling of the molten mass of the earth. As the…
What Is a Lucifer?
“Lucifer” is a slang name for a match, made usually of a splint of wood tipped with an inflammable substance which ignites when the matc