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first rocket equation
first exposition of rocket based on newton third law of motion -
first clear telescopic
term whirlpool nebulae -
World first satellite
October 4 1957 was the first world satellite -
first solar probe
NASA first probe -
first woman in space
first women who was on the moon -
U.S. launches first American astronaut,
U.S. launches first American astronaut, Alan Shepard Jr., into space, on a 15-minute, 22-second suborbital flight. -
President Kennedy declares the American space objective
President Kennedy declares the American space objective to put a man on the moon and return him safely by the end of the decade. -
Apollo 8 pictures of earthrise
it was a big thing that they got a clear view of the earth rise -
first lunar rover
first robot -
Earth day
Earth Day – April 22., millions of people gather in the United States for the first Earth Day organized by Gaylord Nelson, former senator of Wisconsin, and Denis Hayes, Harvard graduate student. US Environmental Protection Agency established -
first space station is launch
first space station ever on the moon -
Montreal Protocol deplete ozone layer
1989 — Montreal Protocol on substances that deplete the ozone layer entered into force -
flight of the First Private Spacecraft
became the first private manned space vehicle to fly past the boundary of space.
