Delta: Quick Facts

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Illustration comparing the sizes of various Delta rocket launch vehicles, including Thor-Delta, Delta A, Delta D, Delta 2000, Delta II, Delta IV Medium+ (5,2), and Delta IV Heavy, shown side by side with height scales in meters and feet.

Thor-Delta rocket used to launch the TIROS 4 weather satellite, Feb. 8, 1962.

Delta G (also called Thrust-Augmented Improved Delta) launching Biosatellite 1, Dec. 14, 1966.

Launch of the Fermi Gamma-Ray Space Telescope by a Delta II launch vehicle from Cape Canaveral, Florida, June 11, 2008.

Boeing Delta IV Medium+ rocket lifting off from a launch pad amid flames and smoke.

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Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.

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