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What is the field Astronomer about?
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Astronomer is one of the oldest professions in sciences. For centuries people have been admiring the beauty of the night sky, wishing to learn what the stars and other celestial objects are, and how the Universe β€œworks”. Astronomers are time travellers – they look way back in time, when the Universe was born. They observe light coming from stars, planetary systems and galaxies which have been just formed for us, on Earth. But in reality, it takes so much time for the light to reach us on Earth, that by the time it does, some of those objects may not exist anymore.

Astronomers attempt to understand the behaviour of matter, study conditions that exist only in space and cannot be found on Earth, and discover the particles involved in those processes. In order to do this, astronomers carry out research, both theoretical and practical. They create theories and perform experiments and observations which complement each other. Researchers build computational models which are mathematical models based on theoretical equations, that enable to simulate and visualize the behaviour of complex systems and study physical processes by analysing different parameters. Using models, astronomers can simulate, for example, the Martian atmosphere or interaction between an exoplanet and its parenting star.
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