![]() Through scientific laws and theories, astronomers interpret observed phenomena and develop theoretical models to explain how the universe works. ![]() These data are used to study the properties of celestial objects, such as its chemical composition, temperature, movement and evolution.Īstronomy is also based on fundamental principles of physics and mathematics. ![]() Astronomers collect data by using telescopes, radar, and other instruments, as well as by analyzing signals arriving from space. From Earth, we can see objects millions, even billions of light-years away, allowing us to go back in time and study what the universe was like in its earliest stages. And it is that it is capable of visualizing celestial bodies in the immensity of the universe that were not conceivable by the human being until a few centuries ago. One of the most remarkable features is its great reach.
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