Pupils usually have difficulty with words ending in sts, dth, pth.
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No fewer than a quarter of a million free parking spaces are available on the sts.
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Some officials estimate that betw six or seven thousand persons are now begging in the sts.
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STS-133 will be a six member crew: Discovery's retirement is well earned.
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Etoposide given by 72-h infusion is inactive as second-line chemotherapy in STS.
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The shuttle-or spacetransportationsystem, as the assemblage is known-is basic to future developments in space.
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Being able to refuel on orbit is key to an agile and fully reusable spacetransportationsystem.
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Jan. 5, 1972 - President Richard Nixon signs a bill authorizing $5.5 billion to develop a reusable winged spacetransportationsystem called the space shuttle.
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It's called the SpaceTransportationSystem, but it quickly became known as the Space Shuttle.
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NASA convinced Congress to designate the space shuttle as the national SpaceTransportationSystem (STS).
Uso de space shuttle program em inglês
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NASA has replaced 59 cracked windows since the spaceshuttleprogram began.
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Mr Hurley was even on the final launch of the spaceshuttleprogram.
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The accident disrupted the spaceshuttleprogram for 32 months.
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But Russia's spaceshuttleprogram, the Energia-Buran, was its last big investment in R&D.
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NASA's spaceshuttleprogram has encountered both glowing support and heated opposition throughout its history.
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Hubble's recent troubles owe more to the vagaries of the spaceshuttleprogram than to any organic problem.
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The rocket consists of a main booster and two separate side boosters similar to the spaceshuttleprogram.
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We must have a manned space station; a vigorous, safe spaceshuttleprogram; and more commercial development in space.
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NASA subsequently abandoned the spaceshuttleprogram in 2011 and turned to private industry to develop its next-generation spacecraft.
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In early July, space shuttle Atlantis is scheduled to make its final flight, closing out NASA's spaceshuttleprogram.
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NASA is clinging blindly to an embarrassingly expensive and dangerous spaceshuttleprogram that should have been scrapped years ago.
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Hydrogen fuel engines were used in the spaceshuttleprogram as fuel for the main engines of the orbiters themselves.
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That's just super exciting. NASA astronauts have not launched from the US since 2011 when the spaceshuttleprogram ended.
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Before the retirement of NASA's storied spaceshuttleprogram, the agency began laying out its vision for its next-generation rocket.
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NASA last sent astronauts into space on a brand new vehicle 40 years ago at the start of the spaceshuttleprogram.
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Rocket motor makers such as GenCorp and Rocketdyne have faced an uncertain outlook since the U.S. spaceshuttleprogram ended last year.