Twenty years ago today, the rocket ... The Discovery .... blasted off, carrying the Hubble Space Telescope.
And, to celebrate, NASA has released one of the most astonishing photographs ever.
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“The history of astronomy is a history of receding horizons.” -Edwin Hubble
"We find them smaller and fainter, in constantly increasing numbers, and we know that we are reaching into space, farther and farther, until, with the faintest nebulae that can be detected with the greatest telescopes, we arrive at the frontier of the known Universe." -Edwin Hubbl
"Equipped with his five senses, man explores the universe around him and calls the adventure Science." -Edwin Hubble