Glossary D

Deutsch: Diffusion / Español: difusión / Português: difusão / Français: diffusion / Italian: diffusione

Diffusion in the Space industry context refers to the process by which particles, such as gases, liquids, or even thermal Energy, spread out from areas of higher Concentration to areas of lower concentration. This Phenomenon occurs due to the random motion of particles and plays a crucial role in various aspects of spacecraft Design, life support systems, and material science in space environments.

Deutsch: Digitale Zwillingstechnologie / Español: Tecnología de Gemelo Digital / Português: Tecnologia de Gêmeo Digital / Français: Technologie du Jumeau Numérique / Italiano: Tecnologia del Gemello Digitale

Digital Twin Technology refers to a digital replica or model of a physical object, system, or process that allows for Real-time simulation, analysis, and control. This technology uses data from sensors on the physical counterpart to update and improve the digital model, facilitating better decision-making and optimization in various applications.

Deutsch: Dimension / Español: Dimensión / Português: Dimensão / Français: Dimension / Italiano: Dimensione /

In the Space industry context, the term dimension often refers to measurements and specifications of physical space and objects within that space, including the size, volume, and shape of spacecraft, satellites, equipment, and components. Dimensions are crucial for designing, constructing, and operating space vehicles and structures, ensuring they fit within launch vehicles, operate as intended in the confined space Environment, and meet mission requirements for payload and Performance.

Deutsch: Gleichstrom / Español: Corriente Continua / Português: Corrente Contínua / Français: Courant Continu / Italiano: Corrente Continua /

In the vast realm of aerospace, the efficient management of power is crucial for safe and reliable operations. Direct Current, abbreviated as DC, plays a fundamental role in powering various aerospace systems and components.

Deutsch: Direkter Einschlag / Español: Impacto Directo / Português: Impacto Direto / Français: Impact Direct / Italiano: Impatto Diretto

Direct impact in the Space industry refers to the immediate and direct consequences resulting from collisions involving space objects, such as satellites, Spacecraft, or debris. This term encompasses both intentional impacts, such as those in kinetic impactor missions, and unintentional collisions, including those involving space debris.

Deutsch: Nachteil / Español: desventaja / Português: desvantagem / Français: désavantage / Italiano: svantaggio

A disadvantage in the Space industry context refers to any factor or condition that hinders progress, increases risks, or adds challenges to space missions, technologies, and operations. These disadvantages can arise from technical, financial, environmental, or regulatory sources, and they impact the efficiency, safety, and feasibility of space activities.

Deutsch: Abrüstung / Español: Desarme / Português: Desarmamento / Français: Désarmement / Italiano: Disarmo

Disarmament in the context of the Space industry refers to the strategic efforts and policies aimed at preventing the weaponisation and militarisation of outer space. The goal of space disarmament is to limit or eliminate space-based weapons, reduce military tensions in space, and ensure that space remains a peaceful domain for scientific Exploration and commercial Development. Space disarmament involves international treaties, agreements, and diplomatic initiatives focused on the responsible use of space and avoiding conflict in Earth’s orbit and beyond.

Deutsch: Weltraumunfall / Español: Desastre espacial / Português: Desastre espacial / Français: Catastrophe spatiale / Italiano: Disastro spaziale /

A disaster is a serious problem occurring over a short or long period of time that causes widespread human, material, economic or environmental loss which exceeds the ability of the affected community or society to cope using its own resources.

Deutsch: Katastrophenmanagement / Español: Gestión de desastres / Português: Gestão de desastres / Français: Gestion des catastrophes / Italiano: Gestione dei disastri

Disaster Management in the Space industry context refers to the application of space-based technologies and systems to prevent, prepare for, respond to, and recover from natural or man-made disasters. This involves the utilization of satellites for Earth observation, communication, and navigation to enhance the effectiveness of disaster management efforts on the Ground. Space technologies provide Critical data and Infrastructure for monitoring environmental conditions, alerting to impending disasters, coordinating rescue and relief efforts, and assessing damage to aid in recovery and rebuilding.

In the aerospace context, "Discovery" can refer to a few different things, including:

Deutsch: Diskussion / Español: Discusión / Português: Discussão / Français: Discussion / Italiano: Discussione

Discussion in the space industry context refers to the collaborative exchange of ideas, findings, and perspectives among scientists, engineers, policymakers, and other stakeholders involved in space exploration and technology development. This can include debates on mission Design, analysis of Data from space missions, strategic planning for future space Exploration, and the development of policies and regulations governing space activities. Discussions in the space industry are crucial for addressing the complex challenges of space exploration, fostering innovation, and ensuring the sustainable and ethical use of space resources.

Deutsch: Antennenschüssel / Español: Antena parabólica / Português: Antena parabólica / Français: Antenne parabolique / Italiano: Antenna parabolica

Dish in the context of the space industry typically refers to a parabolic antenna used for transmitting or receiving electromagnetic signals, particularly radio waves, from spacecraft, satellites, or other distant sources. These antennas are critical components of ground stations and satellite communication systems.

Deutsch: Verschiebung / Español: Desplazamiento / Português: Deslocamento / Français: Déplacement / Italiano: Spostamento /

Displacement in the context of the Space industry refers to the Phenomenon of objects or spacecraft deviating from their intended trajectories, positions, or orbits. The intricate dance of celestial bodies, gravitational forces, and complex mission planning presents numerous challenges to space missions, and displacement can result from a variety of factors. In this article, we will explore the concept of displacement within the space industry, providing examples of its Occurrence, discussing associated risks, and addressing its historical context and legal implications. We will also draw parallels with similar occurrences in other industries to emphasize the significance of precision and control in space endeavors.

In the Space industry context, disruption refers to significant innovations or changes that challenge and transform traditional business models, technologies, and market structures. These disruptions often lead to the emergence of new opportunities, the development of groundbreaking technologies, and the redefinition of what is possible in space exploration and utilization.

Deutsch: Entfernung / Español: Distancia / Português: Distância / Français: Distance / Italiano: Distanza /

Distance is a numerical or occasionally qualitative measurement of how far apart objects or points are. In physics or everyday usage, distance may refer to a physical length or an Estimation based on other criteria (e.g. "two blocks over").

Deutsch: Destillation / Español: Destilación / Português: Destilação / Français: Distillation / Italiano: Distillazione

Distillation in the Space industry refers to a separation process used to purify liquids by heating them to create vapour and then cooling the vapour to collect the condensed liquid. It is widely employed in life support systems to recycle water and for scientific experiments that require precise chemical separation or purification in microgravity environments.

In the Space industry context, distortion refers to any alteration or Deviation from the expected shape, signal, or trajectory due to various factors, including environmental conditions, gravitational forces, or technical anomalies. Distortion can affect spacecraft components, optical systems, communication signals, and the Accuracy of measurements and observations conducted in space. Managing and minimizing distortion is crucial for the success of space missions, ensuring the reliability of data, the Performance of spacecraft systems, and the safety of space operations.

In the aerospace context, distribution refers to the movement and delivery of goods, components, or services related to aerospace industry such as aircraft, spacecraft, and their parts, equipment, and supplies, as well as the delivery of services such as maintenance and repair.

Disturbance in the space industry context refers to any external force, influence, or factor that disrupts the normal operation, behavior, or trajectory of spacecraft, satellites, or other objects in space. These disturbances can arise from various sources, including gravitational forces, solar radiation, micrometeoroids, and magnetic fields. Managing and mitigating disturbances is essential for the safe and precise operation of space missions and the preservation of valuable space assets. In this article, we will explore the significance of disturbances in the space industry, provide examples of how they affect space activities, and discuss similar concepts related to space-based challenges and environmental factors.

DLR stands for "Deutsches Zentrum für Luft- und Raumfahrt" (German Aerospace Center) which is the national center for aerospace, energy and transportation research of the Federal Republic of Germany.