After lobbying in the 1960s and 70s for such a system to be built, Spitzer's vision ultimately materialized into the Hubble Space Telescope, which was launched on April 24, 1990 by the Space Shuttle "Discovery" (STS-31).
His efforts resulted in the world's first space-based optical telescope, "Hubble Space Telescope", which was launched on April 20, 1990 by the Space Shuttle "Discovery" (STS-31).
His efforts resulted in the world's first space-based optical telescope, "Hubble Space Telescope", which was launched on April 20, 1990 by the Space Shuttle "Discovery" (STS-31).
Make this easier to understand: After lobbying in the 1960s and 70s for such a system to be built, Spitzer's vision ultimately materialized into the Hubble Space Telescope, which was launched on April 24, 1990 by the Space Shuttle "Discovery" (STS-31). Output: