Astrophysics and Astronomy Archives

NASA (National Aeronautics and Space Administration) 5 (63)

Aeronautics Research, Astrophysics and Astronomy, Earth Sciences, Space Exploration, U.S. Government Agencies / aeronautics research, Apollo Program, Artemis Program, astronaut training, Hubble Telescope, ISS, James Webb Space Telescope, Mars rover, NASA, National Aeronautics and Space Administration, planetary science, satellite technology, Space Exploration

The National Aeronautics and Space Administration (NASA) is the United States federal agency responsible for civilian space exploration, aeronautics research, and aerospace innovation. Established on July 29, 1958, by the National Aeronautics and Space Act, NASA succeeded the National Advisory Committee for Aeronautics (NACA) and quickly became the central institution for spaceflight, scientific discovery, and […]

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Hydrogen (H)

Hydrogen is a chemical element with the symbol H and atomic number 1, making it the lightest and most abundant element in the universe. It consists of a single proton and a single electron in its most common isotope, protium. Hydrogen plays a central role in cosmology, stellar physics, chemistry, energy systems, and biological processes.

Astrophysics and Astronomy

NASA (National Aeronautics and Space Administration) 5 (63)

Hydrogen (H) 5 (61)