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Cosmic Expansion 2023
January 5 , 2024
196 days
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- Euclid telescope observed that the galaxies belonging to the Perseus Cluster and others move further away.
- This was showing the expansion of universe.
- The universe’s expansion makes galaxies move away from each other.
- The relationship between a galaxy’s speed and distance is governed by “Hubble’s constant”, which is about 43 miles (70 km) per second per Megaparsec.
- Perseus is one of the most massive structures known in the Universe.
- It is located ‘just’ 240 million light-years away from Earth and containing thousands of galaxies.
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