英语必修三第四单元astronomy the science of the stars翻译

英语必修三第四单元astronomy the science of the stars翻译
是课文！
HOW LIFE BEGAN ON THE EARTH
No one knows exactly how the earth began, as it happened so long ago. However, according to a widely accepted theory, the universe began with a "Big Bang" that threw matter in all directions.After that, atoms began to form and combine to create stars and other bodies.