History of Earth

An artist's rendering of a protoplanetary disk

Artist's conception of Hadean Eon Earth, when it was much hotter and inhospitable to all forms of life.

Artist's impression of the enormous collision that probably formed the Moon

The history of Earth concerns the development of the planet Earth from its formation to the present day. Nearly all branches of natural science have contributed to the understanding of the main events of the Earth's past. The age of Earth is approximately one-third of the age of the universe. An immense amount of geological change has occurred in that timespan, accompanied by biological change.

单词	Origin of Earth
释义	Origin of Earth 原声例句美国历史频道纪录片《宇宙》 In 1974, a new hypothesis explaining the origin of Earth's moon debuted on the world scientific stage. 1974年，解释地球的卫星来源的新假设，登上了世界科学的舞台。美国历史频道纪录片《宇宙》 Renowned astronomer Donald Brownlee, has spent his career on a cosmic quest to solve the mysteries surrounding the origin of Earth. 唐纳德·布朗李开始进行他的宇宙赛车之旅以解开原始地球之谜。英语百科 History of Earth The history of Earth concerns the development of the planet Earth from its formation to the present day. Nearly all branches of natural science have contributed to the understanding of the main events of the Earth's past. The age of Earth is approximately one-third of the age of the universe. An immense amount of geological change has occurred in that timespan, accompanied by biological change.
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Origin of Earth

History of Earth