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In the aerospace context, a coma is a cloud of gas and dust that surrounds the nucleus of a comet as it approaches the sun. The coma is created as the sun warms the icy surface of the comet's nucleus, causing volatile materials to sublimate and create a cloud of gas and dust that surrounds the nucleus.
Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.
English: Comet / Deutsch: Komet / Español: Cometa / Português: Cometa / Français: Comète / Italiano: Cometa /
Comet refers to a small, icy, dusty celestial body that orbits the Sun. Comets are typically made up of a mixture of water ice, dust, and other volatile materials, and they are often referred to as "dirty snowballs." When a comet is close to the Sun, the heat of the Sun causes the volatile materials in the comet to vaporize, creating a bright halo of gas and dust around the comet's nucleus, called a coma. The coma is often surrounded by a bright, glowing halo called a coma, which is visible to telescopes and other instruments. The coma and the halo can be several times larger than the nucleus of the comet itself.
Comets are believed to originate in the outer solar system, beyond the orbit of Pluto. They are thought to be remnants of the early solar system, preserved in the cold, dark regions of the outer solar system for billions of years. When a comet is perturbed by the gravitational influence of a planet or other celestial body, it can be pushed into an orbit that brings it closer to the Sun. As the comet gets closer to the Sun, the heat of the Sun causes the volatile materials in the comet to vaporize, creating the coma and halo that are visible from Earth.
There are many different types of comets, ranging from small, short-period comets that take just a few years to orbit the Sun to large, long-period comets that take thousands of years to orbit the Sun. Some comets are highly active and produce large, bright comas and halos, while others are less active and have smaller, fainter comas and halos. Despite their small size and distant origins, comets have played an important role in the history of astronomy and have been the subject of much scientific study.
Here are a few examples of comets that have been studied by astronomers:
Halley's Comet: Halley's Comet is a short-period comet that orbits the Sun every 76 years. It was named after the English astronomer Edmond Halley, who was the first to predict that the comet was periodic and would return to Earth's vicinity. Halley's Comet is one of the most famous comets in history, and it has been observed by astronomers for hundreds of years. The comet is most famous for its bright, glowing coma and halo, which can be seen from Earth with the naked eye.
Comet Hyakutake: Comet Hyakutake is a long-period comet that orbits the Sun every 30,000 years. It was discovered in 1996 and was visible from Earth with the naked eye for several weeks. During its close approach to the Sun, Comet Hyakutake produced a bright, glowing coma and halo that was visible from Earth.
Comet ISON: Comet ISON was a short-period comet that was discovered in 2012. It was expected to be visible from Earth with the naked eye in late 2013 as it made its closest approach to the Sun. However, the comet disintegrated as it passed close to the Sun and was not visible from Earth.
Comet 67P/Churyumov-Gerasimenko: Comet 67P/Churyumov-Gerasimenko is a small, short-period comet that was visited by the European Space Agency's Rosetta spacecraft in 2014. The spacecraft orbited the comet and even landed a small probe on its surface. The mission provided scientists with a unique opportunity to study the composition and structure of a comet up close.
Overall, comets are fascinating celestial objects that have captivated the imagination of astronomers and the general public for centuries. They continue to be the subject of much scientific study and exploration.
Deutsch: Komitee / Español: Comité / Português: Comitê / Français: Comité / Italiano: Comitato
Committee in the space industry context refers to a group of experts, stakeholders, or representatives who come together to oversee, advise on, or make decisions regarding various aspects of space missions, policies, research, and development. These committees can be found within space agencies, international space organizations, research institutions, and private space companies. Their roles can range from governance, regulatory compliance, and safety oversight to guiding scientific objectives, technical standards, and ethical considerations in space exploration and utilization.
Deutsch: Kommunikation / Español: Comunicación / Português: Comunicação / Français: Communication / Italiano: Comunicazione /
Communication is an essential aspect of the aerospace industry, as it plays a crucial role in a wide range of activities, including:
Deutsch: Fach / Español: Compartimiento / Português: Compartimento / Français: Compartiment / Italiano: Scompartimento /
In the space industry context, a competitor refers to an organization, company, or entity that actively participates in the space sector with the aim of achieving goals related to space exploration, research, or commercial activities. Competitors in the space industry can include space agencies, private space companies, research institutions, and international collaborators. They engage in various space-related endeavors, from launching satellites and conducting planetary exploration missions to developing innovative technologies and providing space-based services. Understanding competitors in the space industry is crucial for analyzing market dynamics, fostering innovation, and advancing space capabilities. In this article, we will explore the concept of competitors in the space industry, provide examples, discuss associated risks and application areas, and briefly touch on its historical context and legal considerations.
Deutsch: Ergänzung / Español: Complemento / Português: Complemento / Français: Complément / Italiano: Complemento /
In the space industry context, complement typically refers to the full set or suite of instruments, equipment, and personnel required to complete a space mission. This can include the scientific instruments aboard a spacecraft, the components of a satellite system, or the crew members assigned to a spaceflight. The complement is designed to ensure that the mission objectives can be achieved effectively and efficiently, whether they involve scientific research, communication, Earth observation, or crewed space exploration.
Deutsch: Fertigstellung / Español: Finalización / Português: Conclusão / Français: Achèvement / Italiano: Completamento
Completion in the space industry context typically refers to the successful finalization of a project phase, task, or entire mission within the framework of aerospace activities. This could involve the design and construction of spacecraft, the execution of a satellite launch operation, or the fulfillment of mission objectives once in orbit or after landing on other celestial bodies.
Complexity characterises the behaviour of a system or model whose components interact in multiple ways and follow local rules, leading to nonlinearity, randomness, collective dynamics, hierarchy, and emergence.
In the aerospace industry, a component refers to the parts that make up an aircraft, spacecraft, or related system. These components can range in size and complexity, and can include everything from small fasteners and bolts to large structural components and engines.
In the aerospace industry, composite materials are often used in the construction of aircraft and spacecraft. These materials are composed of fibers, such as carbon or glass, that are embedded in a resin matrix. Composites are valued for their high strength-to-weight ratio, making them ideal for use in the aerospace industry where weight is a critical factor.
In the aerospace context, composition refers to the materials and substances that make up a particular structure or component. The specific composition of a structure or component can have a significant impact on its performance, strength, weight, and other properties.
A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as programs.
Deutsch: Konzentration / Español: Concentración / Português: Concentração / Français: Concentration / Italiano: Concentrazione
Concentration in the space industry context refers to the focused allocation of resources, efforts, or technologies toward specific areas or missions within the industry. This can include concentrating investments in particular types of technologies, like propulsion systems or satellite manufacturing, or focusing on certain goals such as Mars colonization or asteroid mining.
In the aerospace context, conditioning refers to the process of controlling the temperature, humidity, and other environmental factors within an aircraft or spacecraft to provide a comfortable and safe environment for passengers and crew members.
Conductivity in the aerospace context refers to the ability of a material or substance to conduct electricity. In other words, it is a measure of how easily electric current can flow through a material.
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