The vast Space which includes everything that exists on the Earth or around it is called the Universe. The Universe includes the celestial or heavenly bodies like the Stars, the Planets and their Satellites, Meteors, Comets, and Asteroids. The branch of Science which deals with the study of heavenly bodies is called Astronomy

People who study the Universe are called Astronomers.

The universe is all of space and time and their contents,including planetsstarsgalaxies, and all other forms of matter and energy. While the spatial size of the entire universe is unknown, it is possible to measure the size of the observable universe, which is currently estimated to be 93 billion light-years in diameter.


Age of Universe

Ancient light from the Big Bang has revealed a precise new estimate for the universe’s age: 13.77 billion years, give or take 40 million years.


Facts about Universe

1.The Universe has the same temperature everywhere.

2. 95% of the Universe is invisible.

3.Most planetary systems are different from ours.

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