Hubble Bubble

April 25th was the 25th anniversary of NASA’s launch of the Hubble Space Telescope.

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Edwin Hubble (1889-1953) was one of the most important observational cosmologists of the 20th century. He showed that the recessional velocity of a galaxy increases with its distance from the earth, supporting the theory of an expanding universe.

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The images show stars, galaxies and dust. They have a beauty of a unique order.

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Their numbers, dimensions, distances and time scales are difficult for us to conceive. Though enhanced by different technologies, these images help us understand our own place in this space.