Observational cosmology
![Full-sky image derived from nine years' WMAP data](/Images/godic/202501/30/Ilc_9yr_moll40961524.png")
![Astronomer Edwin Hubble](/Images/godic/202501/30/Edwin-hubble1524.jpg")
Observational cosmology is the study of the structure, the evolution and the origin of the universe through observation, using instruments such as telescopes and cosmic ray detectors.
Observational cosmology
英语百科
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