# Hubble Deep Field: A Cosmic Census Reveals 1,500 Galaxies
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# Hubble Deep Field: A Cosmic Census Reveals 1,500 Galaxies
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This is your Astronomy Tonight podcast.
Well hello there, stargazers! Today we're celebrating December 2nd, and oh boy, do we have a cosmic milestone to commemorate! On this very date in 1995, the Hubble Space Telescope captured what would become one of the most iconic and scientifically profound images in the history of astronomy: the legendary **Hubble Deep Field**.
Picture this: Hubble's infrared and visible light cameras trained on what appeared to be a completely unremarkable patch of sky in the constellation Ursa Major—a region so tiny it was equivalent to viewing the sky through a grain of sand held at arm's length. Scientists held their breath as the data came back. What they discovered absolutely revolutionized our understanding of the universe.
That single, tiny sliver of cosmos revealed not a handful of galaxies, but approximately **1,500 galaxies**—1,500!—spanning billions of light-years and stretching back through time toward the Big Bang itself. This wasn't just a pretty picture; it was a cosmic census that fundamentally changed how we comprehend our place in the universe. Extrapolate those numbers across the entire sky, and the implications were staggering: the observable universe contains roughly **200 billion galaxies**. We went from feeling like we were looking at everything to realizing we'd barely scratched the surface.
That single image sparked generations of discovery and inspired countless astronomers, scientists, and dreamers to look up.
So make sure you subscribe to the Astronomy Tonight podcast for more cosmic wonders like this! If you want more information, check out **Quiet Please dot AI**. Thank you for listening to another Quiet Please Production!
This content was created in partnership and with the help of Artificial Intelligence AI
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