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📚 Today in Hubble history… After a slight flaw in Hubble’s primary mirror was discovered, the first servicing mission to the telescope set out on a...
Hubble’s Servicing Mission 1 | 📚 Today in Hubble history…After a slight flaw in Hubble’s primary mirror was discovered, the first servicing mission to the telescope set out on a... | By NASA's Hubble Space Telescope