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In astrobiology and planetary astrophysics, the galactic habitable zone is the region of a galaxy in which life might most likely develop. The concept of a galactic habitable zone analyzes various factors, such as metallicity (the presence of elements heavier than hydrogen and helium) and the rate and density of major catastrophes such as supernovae, and uses these to calculate which regions of a galaxy are more likely to form terrestrial planets, initially develop simple life, and provide a suitable environment for this life to evolve and advance. According to research published in August 2015, very large galaxies may favor the birth and development of habitable planets more than smaller galaxies such as the Milky Way. In the case of the Milky Way, its galactic habitable zone is commonly

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  • المنطقة المجرية الصالحة للحياة (ar)
  • Galactic habitable zone (en)
  • Zone habitable galactique (fr)
  • Zona galattica abitabile (it)
  • 은하 거주가능 영역 (ko)
  • Zona habitável galáctica (pt)
  • Галактическая зона обитаемости (ru)
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  • في علم الأحياء الفلكي والفيزياء الفلكية المنطقة المجرية الصالحة للحياة هي المنطقة الأكثر مضيافة في المجرة ومن المرجح ان تنشئ فيها الحياة، وبشكل أكثر تحديدا، مفهوم المنطقة المجرية الصالحة للحياة يتضمن عوامل مختلفة، مثل المعدنية ونسبة حدوث كوارث كبيرة مثل الطارف الأعظم. المنطقة المجرية الصالحة للحياة (بالإنجليزية: Galactic habitable zone)‏ وتختصر GHZ هي المكافئ المجرّي للمنطقة CHZ المنطقة حول النجمية الصالحة للحياة (بالإنجليزية: Circumstellar habitable zone)‏ (ar)
  • In astrobiology and planetary astrophysics, the galactic habitable zone is the region of a galaxy in which life might most likely develop. The concept of a galactic habitable zone analyzes various factors, such as metallicity (the presence of elements heavier than hydrogen and helium) and the rate and density of major catastrophes such as supernovae, and uses these to calculate which regions of a galaxy are more likely to form terrestrial planets, initially develop simple life, and provide a suitable environment for this life to evolve and advance. According to research published in August 2015, very large galaxies may favor the birth and development of habitable planets more than smaller galaxies such as the Milky Way. In the case of the Milky Way, its galactic habitable zone is commonly (en)
  • La zone habitable galactique (ZHG) est la région d'une galaxie où les conditions favorisent le développement de la vie complexe. Cette zone doit respecter certains facteurs, tels qu'une grande quantité d'étoiles, qui pourraient accueillir des planètes, et un petit taux de croissance continue de la formation de nouvelles étoiles. Il doit également y avoir une métallicité assez élevée, c'est-à-dire une certaine quantité d'atomes plus lourds que l'hydrogène et l'hélium, puisque c'est ce genre de matière qui est nécessaire pour créer des mondes pouvant accueillir la vie, comme la Terre. (fr)
  • In astrobiologia e astrofisica planetaria, la zona galattica abitabile è la regione di una galassia in cui molto probabilmente si potrebbe sviluppare la vita. Il concetto di zona galattica abitabile analizza vari fattori, come la metallicità (la presenza di elementi più pesanti dell'idrogeno e dell'elio) e la frequenza e densità dei vari eventi catastrofici come l'esplosione di supernove, e li utilizza per calcolare in quali regioni di una galassia sia più probabile la formazione di pianeti terrestri che possano fornire un ambiente adatto per la nascita e lo sviluppo di organismi viventi. Secondo una ricerca pubblicata nell'agosto 2015, galassie molto grandi possono favorire la nascita e lo sviluppo di pianeti abitabili più delle galassie più piccole come la Via Lattea. Nel caso della Via (it)
  • 은하 거주가능 영역(galactic habitable zone)이란 우주생물학, 행성천체물리학에서 어떤 은하 안에서 생명이 발달할 가능성이 높은 영역을 말한다. 은하거주가능지역 개념은 항성의 금속성, 초신성 따위의 재앙이 발생하는 빈도, 지구형 행성이 형성될 수 있을 가능성, 단순한 생명이 최초 발생할 가능성, 그 생명이 진화하고 진보할 수 있는 적절한 환경이 제공될 가능성 등의 다양한 변수에 의해 결정된다. 2015년 8월 발행된 연구 결과에 따르면 매우 큰 은하가 작은 은하에 비해 생명체가 거주할 수 있는 행성이 만들어지고 발달하기에 더 좋을 것이라 한다. 우리 은하의 거주가능지역의 바깥 경계는 은하중심으로부터 약 10 킬로파섹, 안쪽 경계는 은하중심 가까이라고 생각되지만, 두 경계 현재로서 모두 확실한 위치를 비정할 수는 없다. (ko)
  • Em astrobiologia e astrofísica planetária, a zona habitável galáctica é a região de uma galáxia na qual seria maior a probabilidade de vida se desenvolver. O conceito de zona habitável galáctica analisa vários fatores, como metalicidade (a presença de elementos mais pesados que hidrogênio e hélio) e a taxa e densidade de grandes catástrofes, como supernovas, e os usa para calcular quais regiões de uma galáxia são mais prováveis para formar planetas terrestres, desenvolver inicialmente vida simples e fornecer um ambiente adequado para que essa vida evolua e avance. De acordo com uma pesquisa publicada em agosto de 2015, galáxias muito grandes podem favorecer o nascimento e o desenvolvimento de planetas habitáveis mais do que galáxias menores, como a Via Láctea. No caso da Via Láctea, acredi (pt)
  • В астробиологии и планетарной астрофизике, Галактической зоной обитаемости называется регион галактики с наиболее благоприятными условиями для зарождения и безопасной эволюции жизни. Более конкретно, понятие галактической зоны обитаемости включает в себя совокупность факторов (например металличность звёзд и частота катастроф вроде взрывов сверхновых), позволяющих с определённой долей вероятности говорить что тот или иной регион галактики подходит для формирования землеподобных планет, появления примитивной жизни, её выживания и эволюции в более совершённые формы. Согласно исследовательским данным, опубликованным в августе 2015, большие галактики куда более благоприятны для формирования земплеподобных планет, в отличие от небольших галактик по типу Млечного пути. В случае с Млечным путём, г (ru)
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