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Space timeling
The achromatic lens, by galileo which greatly reduced color aberrations in objective lenses and allowed for shorter and more functional telescopes, -
Space timeline
The Soviet Union launched the first satellite, Sputnik, into space. -
Space timeline
Sputnik 1, the first man-made object to orbit the Earth, is launched by the U.S.S.R., and remains in orbit until January 4, 1958. -
Space timeline
Sputnik 2, carrying the dog Laika for 7 days in orbit, is launched by the U.S.S.R., and remains in orbit until April 13, 1958. -
Space timeline
Explorer 1, the first U.S. satellite in orbit, lifts off at Cape Canaveral using a modified ABMA-JPL Jupiter-C rocket. It carries a scientific experiment of James A. Van Allen, and discovers the Earth's radiation belt. -
Space timeline
Explorer 2 is launched by a Jupiter-C rocket, and fails to reach orbit. -
Space timeline
Vanguard 1 satellite is launched into orbit, and continues to transmit for 3 years. -
space timeline
Luna 1, first man-made satellite to orbit the moon, is launched by the U.S.S.R. -
space timeline
Vostok 6 carries Soviet Cosmonaut Valentia Tereshkova, the first woman in space and orbits the Earth 48 times. -
spacetimeline
Astronomers find that our galaxy is smaller than they thought and the Sun is 23,000 light-years from it's center. -
spacetimeline
Salyut 7 falls from orbit and burns up over Argentina. -
spacetimeline
Space Shuttle Endeavour lifts off on a 12 day mission to the ISS. They install the first set of ISS's solar panels and radiators for removing heat. -
spacetimeline
fifteen years after its first launch, and after nearly 10 years of continuous occupation by astronauts, the Mir space station is de-orbited, breaking up in the atmosphere and impacting in the Pacific Ocean. -
spacetimeline
Space Shuttle Endeavour is launched carrying the Raffaello logistics module back to the ISS with new supplies.