Which groundbreaking scientific instrument, launched in 1990, experienced initial technical problems but went on to revolutionize astronomy with over 1.5 million observations and 19,000+ scientific papers?

In the competitive world of scientific equipment and discoveries, product launches can be historic moments that change the trajectory of research forever. Some launches are so revolutionary they instantly transform their field and become legendary in science history. Test your knowledge about one of the most significant scientific product launches that altered how we understand our universe!

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