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Hello friends and welcome to a new Happy Learning video. Today we are going to learn about the most important star in the universe, today we’re going to study the Sun. The sun is a star, an enormous sphere of extremely hot gas which is continuously shining and spinning around. It seems much bigger and brighter than other stars but that is only because our planet is close to it, more so than to any other star. The sun is in the center of our system and that’s why we call it the solar system and all the planets in it revolve around the sun. It has been shining in space for more than 4 and a half billion years! Yup I said B, for Billion and scientists claim it will continue to do so for another 5 billion years! That’s incredible! The sun is composed of gas. The majority of this gas is hydrogen and helium though there is also some carbon, nitrogen and oxygen. It shines so brightly and transmits so much energy because in its interior there are
