Shooting Star

Shooting Star

Shooting stars resemble stars that move fast across the sky but are not stars. A shooting star is a small fragment of rock or dust entering Earth’s atmosphere from space. It goes so quickly … Read more

How do Airplanes fly?

How do Airplanes fly

Airplane flight was one of the most significant technological triumphs of the twentieth century. The introduction of the airplane has enabled people to travel from one side of the earth … Read more

What is Cosmology?

What is Cosmology

Cosmology is the study of the cosmos, which encompasses the entire universe. Cosmologists study how the universe came to be, why it looks the way it does today, and what … Read more