1. Edwin Hubble was an American astronomer born in 1889.
2. He is best known for discovering that the universe is expanding, which he published in 1929.
3. Hubble also classified galaxies by their brightness, creating the Hubble tuning fork classification system.
4. He discovered Cepheid variable stars in other galaxies, which helped to determine the distance to those galaxies and confirm the expansion of the universe.
5. Edwin Hubble was the first to classify nebulae as galaxies and was the first to provide evidence that galaxies are not part of one big nebula but are separate and individual bodies.
6. He was awarded the Presidential Medal of Freedom in 1949 for his contributions to astronomy.
7. Hubble’s observations led to the development of the Big Bang theory, which explains the origin of the universe.
8. A telescope on the Space Shuttle was named after him, the Hubble Space Telescope, which has provided numerous groundbreaking astronomical observations since its launch in 1990.
9. Edwin Hubble died in 1953, but his legacy continues to influence astronomy and space exploration today.
10. In 1965, NASA named an asteroid 2065 Hubble in his honor.
Text model: silicon-masha
Image model: Shuttle3Diffusion

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