How Do Satellites Stay up While Orbiting the Earth?
Satellites are any objects that revolve around (orbit) another object in space. Some satellites are natural, while others are artificial (man-made). The moon is an example…
TellMeWhy
A wonderful and marvelous collection of answers to intriguing questions everyone ask about the world covering almost every subject, from science and history to art, language, mathematics, technology, and homeschooling
Who Was Hades and What Did He Do?
Hades, in Greek myth, was the god of the underworld, the place where human souls go after death. It was also the Underworld (the…
What Is Hadrian’s Wall? Where and Why Was It Built?
Hadrian’s Wall is a barrier which was built on the northern frontier of Roman Britain to keep out the Pictish tribes, who were constantly…
Who Was the First Man to Circle Around the Earth?
Yuri Gagarin (1934-1968), was the first man in space, he circled the Earth for a little more than one orbit on 12 April 1961…
What Is a Habitat in Ecology?
In ecology, a habitat is the type of natural environment in which a particular species of organism lives containing certain plants and animals, each…