Glossary D

Deutsch: Delamination / Español: Deslaminación / Português: Delaminação / Français: Délamination / Italiano: Delaminazione

Delamination in the Space industry refers to the separation or splitting of layers within a composite material due to mechanical stress, thermal cycling, radiation exposure, or other environmental factors encountered in space. This failure Mechanism can compromise the Structural Integrity and Performance of Spacecraft, satellites, or launch vehicles.

Delta refers to a type of wing shape that is triangular in planform, with the leading edge forming a straight line and the trailing edge forming a right angle. This wing shape is characterized by its high lift to-drag ratio and is often used on aircraft that are designed to fly at high speeds, such as military jets and supersonic aircraft.

Density is a physical property of a substance that is defined as its mass per unit volume. In the aerospace context, density plays a crucial role in the design and operation of various vehicles and systems.

Deutsch: Deorbitierung / Español: Desorbitación / Português: Desorbitagem / Français: Désorbitation / Italiano: Disorbita

Deorbiting in the Space industry context refers to the process of intentionally lowering a spacecraft or satellite from its operational Orbit toward a controlled re-entry into the Earth's Atmosphere or to a disposal orbit. This is a crucial part of space mission planning and operations, aimed at mitigating space debris and ensuring the long-term Sustainability of space activities. Deorbiting can be achieved through various means, including the use of the spacecraft's remaining Propellant to alter its trajectory, deploying drag sails to increase atmospheric drag and accelerate orbital decay, or using external forces such as robotic spacecraft for removal.

Deutsch: Abhängigkeit / Español: Dependencia / Português: Dependência / Français: Dépendance / Italiano: Dipendenza

Dependence in the Space industry refers to the Reliance on specific technologies, resources, or partnerships that are essential for the successful execution of space missions. This can include dependence on international collaborations, Critical materials, or specialized technologies and infrastructure.

Deutsch: Darstellung / Español: Representación / Português: Representação / Français: Représentation / Italian: Rappresentazione

Depiction in the Space industry context refers to the visual Representation or illustration of space objects, phenomena, missions, and concepts. This can include artistic impressions, diagrams, computer-generated imagery (CGI), and real photographs captured by Spacecraft and telescopes.

Deutsch: Erschöpfung / Español: Agotamiento / Português: Esgotamento / Français: Épuisement / Italiano: Esaurimento

In the context of the Space industry, depletion refers to the reduction or exhaustion of resources or materials that are crucial for Space missions. This term often applies to natural resources on Earth used in the Production of Spacecraft and satellites, such as rare metals and minerals, or to the consumable resources on a spacecraft, like Fuel or life Support systems. Depletion in space can also refer to the diminishing availability of orbital slots for satellites, which are becoming increasingly crowded due to the growing number of satellite launches.

Deutsch: Einsatzadapter / Español: Adaptador de Implementación / Português: Adaptador de Implantação / Français: Adaptateur de Déploiement / Italiano: Adattatore di Distribuzione

A Deployment Adapter is a critical interface component in the space industry, designed to facilitate the secure attachment, separation, and deployment of payloads—such as satellites, probes, or scientific instruments—from launch vehicles or spacecraft. These systems must meet stringent reliability and precision standards to ensure mission success in the harsh conditions of space.

Deutsch: Gestaltung / Español: Diseño / Português: Projeto / Français: Conception / Italiano: Design /

Design is the process of creating a plan or Blueprint for the production of a product or service. It involves determining the needs and requirements of the end user or customer, and creating a solution that meets those needs in an effective and aesthetically pleasing way.

Deutsch: Entwurf und Entwicklung / Español: Diseño y desarrollo / Português: Design e desenvolvimento / Français: Conception et développement / Italiano: Progettazione e sviluppo

Design and Development in the Space industry context refers to the comprehensive process of creating, testing, and refining spacecraft, satellites, launch vehicles, and other related technologies and systems for space exploration and commercial space activities. This involves a series of phases, from initial concept through to final Product, encompassing engineering design, computational modeling, Prototype development, rigorous testing under simulated space conditions, and eventual deployment and Operation in space.

English: Destruction / Deutsch: Zerstörung / Español: Destrucción / Português: Destruição / Français: Destruction / Italiano: Distruzione /

In the realm of space exploration and Technology, the term destruction encompasses the loss or damage of Spacecraft, satellites, and related assets during space missions. The Space industry is fraught with challenges, and destruction can occur due to a multitude of factors, including technical failures, natural phenomena, and even collisions with space debris. This article delves into the concept of destruction in the space industry, providing examples of its Occurrence, outlining associated risks, and discussing its historical context and legal considerations. Additionally, we will draw parallels with similar occurrences in other industries that emphasize the critical importance of Safety and Reliability.

Detector --->Sensor (generates an output signal for the purpose of measuring a physical effect or event).

Deutsch: Abschreckung / Español: Disuadir / Português: Dissuadir / Français: Dissuader / Italian: Deterrenza

Deter in the Space industry context refers to the actions, strategies, and measures taken to prevent hostile actions or threats in space. This can involve the use of technology, policies, and international agreements aimed at discouraging aggressive behaviour and ensuring the security and Sustainability of space activities.

Deutsch: Abschreckung / Español: Disuasión / Português: Disuasão / Français: Dissuasion / Italian: Deterrenza

Deterrent in the Space industry context refers to strategies, technologies, and policies aimed at preventing adversarial actions in space by demonstrating the capability and willingness to respond to hostile activities. This concept is crucial for maintaining the security and stability of space operations.

Deutsch: Detonation / Español: detonación / Português: detonação / Français: détonation / Italiano: detonazione

The term detonation describes a supersonic combustion process that releases energy at an extremely rapid rate, often with destructive consequences. In the space industry, it represents both a critical hazard and a potential technological advantage, depending on controlled or uncontrolled occurrence. Understanding its mechanisms is essential for propulsion systems, safety protocols, and advanced research in aerospace engineering.

Aerospace development refers to the research, design, and production of aircraft, spacecraft, and related technologies. It encompasses a wide range of activities, from the development of new materials and propulsion systems to the design and construction of aircraft and spacecraft.

Deutsch: Abweichung / Español: Desviación / Português: Desvio / Français: Déviation / Italiano: Deviazione

Deviation in the Space industry context typically refers to the difference or variation from a planned, expected, or nominal condition or trajectory in space missions. This can encompass a wide range of scenarios, including deviations in a spacecraft's Orbit, changes in planned mission parameters, or differences in performance metrics from what was initially expected or designed. Identifying, Monitoring, and correcting deviations is crucial for mission success, as unaddressed deviations can lead to mission failure, loss of spacecraft, or other negative outcomes.

In the aerospace industry, the term "device" can refer to a wide range of equipment, instruments, or mechanisms that are used for a specific purpose. Devices in the aerospace industry can include anything from small sensors and controls to large structural components and propulsion systems.

Deutsch: Dextre / Español: Dextre / Português: Dextre / Français: Dextre / Italiano: Dextre

Dextre is a sophisticated robotic arm system, officially named the "Special Purpose Dexterous Manipulator" (SPDM), designed and built by the Canadian Space Agency (CSA). It is part of the Mobile Servicing System (MSS) on the International Space Station (ISS), where it assists with delicate and complex maintenance tasks, reducing the need for human spacewalks.

Deutsch: Beugung / Español: Difracción / Português: Difração / Français: Diffraction / Italiano: Diffrazione

Diffraction in the Space industry context refers to the bending and spreading of waves, particularly Light or radio waves, when they encounter an obstacle or pass through an aperture. This Phenomenon is Critical in various applications, including telescopic imaging, communication systems, and the analysis of materials in space.