Which famous astronomy product, launched in 1990, has captured over 1.4 million observations and revolutionized our understanding of the universe despite initial problems with its primary mirror?

Throughout history, certain astronomy products have fundamentally transformed our understanding of the universe. From revolutionary telescopes to groundbreaking software, these innovations have opened new frontiers in space exploration and cosmic discovery. This poll tests your knowledge of iconic astronomy products that have made a lasting impact on how we observe and interpret the stars, planets, and galaxies beyond our world.

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Hubble Space Telescope
James Webb Space Telescope
Chandra X-ray Observatory
Spitzer Space Telescope