The Universe is a large space that contains everything i.e. all matters and energy, from the smallest particles to the largest particles, whatever in the space is universe. It contains all the planets, stars, asteroids, meteors and all the galaxies. No one knows the size of the Universe. The astronomers believe that the universe is still growing outwards in every direction. Astronomers continue to investigate about it. One way they do this is by “using a spectroscope”. A spectroscope measures the color of light coming from an object. Changes in the color indicate whether an object is moving away from or towards the Earth. After the readings of spectroscope scientists believe that the universe is still growing outwards in every direction.
The Origin of Universe part 1
The Origin of Universe part 2
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