Observing Earth

Checking out our home planet has become easier over time

Until we were able to get far enough away from our planet to view it, the only way we could infer things about it was by exploring its relationship to other heavenly bodies. And for a long time, what we believed was wrong. Many ancient cultures, for example, believed that the Earth was the centre of the universe. This was based on two observations: the stars and other planets appeared to revolve around the Earth, and to a person on Earth, the planet seemed to be perfectly at rest. Once we were able to better observe other bodies, we began to learn the truth about our home planet. Then we developed the technology to take pictures of the Earth from space. The first such image was taken by a rocket,…

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All About Space Book of the Solar System (Digital) - 1 Issue, All About Space Book Of The Solar System 4th Edition

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