Tag: "earth"

Why is Earth Round?

Why is Earth Round?

It is speculated that the earth emerged into being some 4.5 billion years ago as it separated from out of a gigantic gaseous substance. The earth is almost spherical in shape and like any other massive object would attract any thing on its surface toward its centre, a universal characteristic of celestial bodies, known as […]

Why Does Earth Rotate?

Why Does Earth Rotate?

Scientists are of the opinion that the earth was composed of clouds of gas and dust particles — the nebula that had crushed in itself under the interaction of its core gravity and got a spinning thrust. Further upon undergoing subsequent condensation, it’s just the speculation, the dust particles might have become denser and started […]

Why the Earth Has Seasons?

Why the Earth Has Seasons?

The main reason of earth having four seasons is that it is tilt on its axis. An axis is an imaginary line passing through the poles. An angle of 23.5 degrees is formed to the perpendicular of the earth’s orbit and axis always points in the same direction throughout the year. The sun rays hit […]