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robert goddard invented the liquid-fuel rocket
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the space age began when the soviet union launched sputnik
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yuri gargarin became the first person to travel in space when he made a single orbit around the earth in his vostok 1 spacecraft
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john glenn became the first american to orbit the earth
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velentina tereshkova became the first woman to fly in space
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NASA conducted five more successs ful apollo moon landings
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1969 as the apollo CSM columbia orbited the moon.
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in 1971 the USSER launched was used only brielly;five more salyut space stations were successfully operated
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the united states launched its first space station,skylab
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the united states launched the space shuttle
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the soviet union launched the space station mir.
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tragically challenger was destroyed by an accident shortly after launch in 1986
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over fifteen nations were working together to build what is now called the international smile station.
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columbia broke up after reentering earth's atmosphere in 2003
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the last 3 orbiters continued to be used until their retirement in 2011
