# Hubble's Journey: From Flawed Lens to Cosmic Vision
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# Hubble's Journey: From Flawed Lens to Cosmic Vision
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This is your Astronomy Tonight podcast.
Good evening, stargazers! Today, February 13th, marks a truly stellar anniversary in the annals of astronomical discovery. On this date in 1990, the Hubble Space Telescope was launched aboard the Space Shuttle Discovery, beginning what would become one of humanity's most transformative scientific instruments.
Now, I know what you're thinking—"Wait, didn't Hubble have problems when it first launched?" You're absolutely right! The telescope's primary mirror had a spherical aberration, making it essentially nearsighted. Imagine spending billions of dollars to build the most advanced observatory ever created, only to have it delivered with cosmic astigmatism! But here's where the story gets truly remarkable.
In December 1993, astronauts performed what many consider the most important repair mission in space history. Astronaut Story Musgrave and his colleagues installed corrective optics—essentially putting glasses on a telescope 380 miles above Earth. Within weeks, Hubble's "vision" cleared, and it began revealing the cosmos in breathtaking detail: the age of the universe, deep field images showing thousands of galaxies, evidence of dark energy, and thousands of exoplanet discoveries that followed from its observations.
That February 13th launch day—despite its rocky start—gave us the Pillars of Creation, the Hubble Deep Field, and fundamentally rewrote our understanding of our place in the universe.
Be sure to **subscribe to the Astronomy Tonight podcast** for more cosmic stories! If you want additional information about tonight's astronomy and beyond, 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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