13 Facts About Ares I


Ares I was the crew launch vehicle that was being developed by NASA as part of the Constellation program.

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The name "Ares I" refers to the Greek deity Ares I, who is identified with the Roman god Mars.

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Ares I was to complement the larger, uncrewed Ares V, which was the cargo launch vehicle for Constellation.

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However, the Constellation program, including Ares I, was cancelled by U S president Barack Obama in October 2010 with the passage of his 2010 NASA authorization bill.

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Exploration Systems Architecture Study concluded that the cost and safety of the Ares I was superior to that of either of the Evolved Expendable Launch Vehicle .

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Ares I was the crew launch component of the Constellation program.

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Ares I rocket was specifically being designed to launch the Orion Multi-Purpose Crew Vehicle.

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Ares I might have delivered some resources to orbit, including supplies for the International Space Station or subsequent delivery to the planned lunar base.

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The upper stage of Ares I was to have been built at the same rocket factory used for the Space Shuttle's External Tank and the Saturn V's S-IC first stage.

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In January 2008, NASA Watch revealed that the first stage solid rocket of the Ares I could have created high vibrations during the first few minutes of ascent.

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Ares I igniter was an advanced version of the flight-proven igniter used on the Space Shuttle's solid rocket boosters.

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However, later financial analysis in March 2010 showed that the Ares I would have cost $1 billion or more to operate per flight had the Ares I flown just once a year.

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Ares I had a payload capability in the 25-tonne class and was comparable to vehicles such as the Delta IV and the Atlas V The NASA study group that selected what would become the Ares I rated the vehicle as almost twice as safe as an Atlas or Delta IV-derived design.

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