American astrophysicist

An American astrophysicist is a scientist based in the United States who studies the universe beyond Earth's atmosphere, including stars, planets, black holes, and galaxies. They analyze light and other signals from space to understand how celestial objects form, evolve, and interact. Using telescopes, spacecraft, and theoretical models, they contribute to our knowledge of cosmic phenomena, origins of the universe, and fundamental physics. Their work can involve both observational research and complex simulations, helping us comprehend the universe's past, present, and future.