Astronomy

The sun is a superhot ball of nuclear powered that provides energy for the planets that orbit it. 

The soil on Mars is high in iron. The color of iron is red. Hence, Mars is red.

Our universe is a vast and magnificent place. The universe is infinite, and always expanding.

Global Positioning System (GPS)

The Global Positioning System (GPS) is a satellite based navigation system that reveals the accurate location of its user through a GPS enabled unit.

Where does the universe end?

Though reports and studies have suggested that the universe is constantly expanding, no consensus has been reached on where it ends.

Is Pluto a planet or not?

Pluto was declassified as a planet by the International Astronomical Union (IAU), in the year 2006.

Why is the Earth tilted?

The Earth became tilted during its formation due to the rocks that keep hitting into it.

Why does the Earth revolve around Sun?

The Earth revolves around the Sun because the Sun’s gravity pulls on the Earth, in order to keep it in orbit.

Earth

The Earth is the third planet from the Sun and the fifth-largest of the eight planets in the Solar System.

Where is Earth in the Solar System?

Earth is the third planet from the Sun.

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