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rocie!I99*’ successful rocket was Saturn V, whict
took men to the Moon
A three-stage rocket it
was as tali as a 30 stor!
building (364 ft/1 LV
!amee'9htd ar0und the
same as 2,200 cars.
Since 2002,
Atlas V rockets have been taking satellites and interplanetary spacecraft from sites in the U.S.A.
(11.3 km) The speed per second that a rocket needs to escape Earth’s gravity
(240 km) The length of wiring in a space shuttle orbiter
The approximate number of satellites launched in the past 60 years
257 billion
The amount of dollars spent by the United States on space projects each year
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■ In June 2004, SpaceShipOne became the first privately owned piloted craft to travel into space morę than once.
■ SpaceShipOne was carried to 9 miles (15 km) above Earth by the White Knight aircraft. Once released, it ignited its rocket engines and moved off into space.
■ Its pilot, Mikę Melvill, became the first commercial astronaut as he took the craft to morę than 62 miles (100 km) above Earth.
Space staits aiound
62 miles (100 km) above Earth’s surface. At this height, 99.99997 percent
of the mass of Earth’s