PEAR corner: Amateur Astronomy

Astronomy scientists


Physicists and astronomersPhysicists plan and conduct scientific experiments and studies to test theories and to discover properties of matter and energy.

Physicists and astronomers study the ways in which various forms of matter and energy interact. Theoretical physicists and astronomers may study the nature of time or the origin of the universe. Some physicists design and perform experiments with sophisticated equipment such as particle accelerators, electron microscopes, and lasers.

Duties

Physicists and astronomers typically do the following:

  • Develop scientific theories and models that attempt to explain the properties of the natural world, such as the force of gravity or the formation of atoms
  • Plan and conduct scientific experiments and studies to test theories and discover properties of matter and energy
  • Write proposals and apply for research grants
  • Do complex mathematical calculations to analyze physical and astronomical data, such as data that may indicate the existence of planets in distant solar systems
  • Design new scientific equipment, such as telescopes and lasers
  • Develop computer software to analyze and model data
  • Write scientific papers that may be published in scholarly journals
  • Present research findings at scientific conferences and lectures

Physicists explore the fundamental properties and laws that govern space, time, energy, and matter. Some physicists study theoretical areas, such as the fundamental properties of atoms and molecules and the evolution of the universe. Others design and perform experiments with sophisticated equipment such as particle accelerators, electron microscopes, and lasers. Many apply their knowledge of physics to practical areas, such as developing advanced materials and medical equipment.

Astronomers study planets, stars, galaxies, and other celestial bodies. They use ground-based equipment, such as radio and optical telescopes, and space-based equipment, such as the Hubble Space Telescope. Some astronomers focus their research on objects in our solar system, such as the sun or planets. Others study distant stars, galaxies, and phenomena such as neutron stars and black holes, and some monitor space debris that could interfere with satellite operations.

Physicists and astronomers Physicists and astronomers


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