Hubble Telescope’s Ongoing Observations of the Cosmos, 30 Years After Its First Repair Mission
In December 1993, the Hubble Space Telescope underwent a critical repair mission after it was discovered that its optics were faulty. The telescope, which was launched in 1990, suffered from spherical aberration, meaning that the light rays did not converge at the same focal point. This affected the clarity and quality of the telescope’s observations. […]
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