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What is Year 7 Astronomy: Stars and Solar System about?

The universe contains billions of galaxies consisting of stars, planets, and other objects. Our galaxy, the Milky Way, contains our Sun at its center and revolves around it. Galaxies can be classified as elliptical, spiral, lenticular, or irregular. Stars are formed from protostars and survive through nuclear fusion, but eventually die in supernovas, creating heavier elements. There are more stars than grains of sand on beaches. The night sky appears black due to dust blocking light from outside our univers

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api-409345099

Language

EN