Aspect ratios range from 1.42 to 1.8. There is no standard for the business card dimensions. Sharing dimensions with other cards makes storage easier, for example banking cards (85.60 Ã 53.98 mm) and business cards in Western Europe (85 Ã 55 mm) have almost the same size.
Side-by-side comparison of Sonda rockets, to scale. Sonda is a family of Brazilian-built sounding rockets which serves as an R&D path to the VLS (Portuguese: VeÃ­culo LanÃ§ador de SatÃ©lites) orbital rocket.
The Descent Propulsion System or LMDE is a variable throttle hypergolic rocket engine developed by Space Technology Laboratories for use in the Apollo Lunar Module Descent Stage. It used Aerozine 50 fuel and N2O4 oxidizer. This engine used a pintle injector, a design also used later in the SpaceX Merlin engine.