Tag: Doppler shift

Expanding Horizons: From Spiral Nebulae to Galaxies

Astronomy and Cosmology have for a long time, been one of the most debated realms of science. Observations paved the way to theories and arguments through the origins of the universe, up to the classification of stars. Until a not-so-distant past, galaxies such as “Andromeda” were simply termed nebulas. With the existence of other galaxies […]

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