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Explore how astronomers measure the vast distances to stars and galaxies using light-years, trigonometric parallax, Cepheid variables, and Type 1a supernovae, allowing us to peer back in time and understand the universe's history.
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- Published on
Explore how scientists study stars using light and telescopes, revealing their composition, age, and the universe's history.- Published on
Explore how cosmic rays, high-energy particles from space, act as messengers carrying vital information about the universe's composition, antimatter, and dark matter.- Published on
Explore how analyzing light from distant objects reveals the universe's composition, temperature, movement, and the existence of dark energy, unlocking cosmic secrets.- Published on
Explore how galaxy clusters, the universe's largest structures, act as cosmic laboratories, helping us understand gravity, dark matter, dark energy, and the fundamental laws of physics.