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The Space Shuttle Solid Rocket Booster (SRB) was the first solid-propellant rocket to be used for primary propulsion on a vehicle used for human spaceflight. The SRBs were powered by a mixture of aluminum metal and ammonium perchlorate, which provided 85% of the thrust at liftoff and for the first two minutes of ascent.
A solid rocket booster (SRB) is a large solid propellant motor used to provide thrust in spacecraft launches. Learn about the advantages, examples, and history of SRBs, and how they differ from liquid propellant rockets.
Learn about the Space Shuttle, a retired, partially reusable spacecraft system operated by NASA from 1981 to 2011. Find out how it was designed, launched, and used for various purposes, such as satellite deployment, science experiments, and ISS construction.
The rule of nines is a method to calculate the percentage of body surface area burned in adults and children. Learn how it works, when to use it, and how it differs for infants and children.
Centaur is a family of liquid hydrogen/liquid oxygen upper stages for various launch vehicles since 1962. Learn about its history, characteristics, current versions, and missions.
Space Shuttle Challenger (OV-099) was a Space Shuttle orbiter manufactured by Rockwell International and operated by NASA.Named after the commanding ship of a nineteenth-century scientific expedition that traveled the world, Challenger was the second Space Shuttle orbiter to fly into space after Columbia, and launched on its maiden flight in April 1983.
Learn how Medicare Parts A, B, C, and D premiums can be automatically deducted from your Social Security or RRB checks. Find out the rules, income limits, and tax deductions for each part of Medicare.
The Single Resolution Mechanism (SRM) is a EU regulation and an intergovernmental agreement that establishes a centralized resolution authority and a fund for banks in the banking union. The SRM aims to ensure efficient and cost-effective resolution of failing or likely to fail banks, and to break the link between sovereign crises and bank failures.