![]() HELIOPHYSICS – How the sun’s constant and dynamic radiation affects its surroundings in space.PHOTOMETRY – How luminous astronomical objects are in space based on electromagnetic radiation.SPECTROSCOPY – How light reflects, absorbs, and transfers between matter.COSMOLOGY – How the universe was created, evolves, and its ultimate fate.ASTROPHYSICS – How the laws of physics apply to stars and celestial bodies. ![]() ![]() There have been various heliophysics missions to study space weather, solar flares, and the constant stream of solar particles from the sun. But helioseismology is specific to our sun.įinally, heliophysics studies the sun’s constant and dynamic radiation that affects its surroundings in space. They both study the internal structure of stars by measuring radiation and oscillations. In a similar manner, photometry examines how luminous astronomical objects are in space based on electromagnetic radiation properties.Īsteroseismology is closely related to helioseismology. Spectroscopy studies how light reflects, absorbs, and transfers between matter. For example, cosmologists study red-shift to see how fast the universe is expanding. Akin to geophysics which studies Earth’s physics, astrophysics relates physical processes and properties to stars, celestial bodies, and its surrounding space.Ĭosmology is different from astrophysics because it studies the evolution and expansion of the universe. Astrophysics applies the principles of physics to astronomy.
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